mitochondrial ribonuclease P complex

A ribonuclease P complex located in the mitochondrion of a eukaryotic cell, where it catalyzes the 5' endonucleolytic cleavage of precursor tRNAs to yield mature tRNAs. The subunit composition of mitochondrial ribonuclease P complexes varies between species. The complex contains a single RNA molecule and a single protein molecule in yeast (PMID:12045094), but comprises three proteins and lacks an RNA component in humans.


integrin alphav-beta6 complex

biolink:CellularComponent biolink:AnatomicalEntity biolink:OrganismalEntity biolink:BiologicalEntity biolink:NamedThing biolink:Entity biolink:PhysicalEssence biolink:SubjectOfInvestigation biolink:ThingWithTaxon biolink:PhysicalEssenceOrOccurrent

An integrin complex that comprises one alphav subunit and one beta6 subunit.


anal membrane endodermal component

biolink:GrossAnatomicalStructure biolink:AnatomicalEntity biolink:OrganismalEntity biolink:BiologicalEntity biolink:NamedThing biolink:Entity biolink:PhysicalEssence biolink:SubjectOfInvestigation biolink:ThingWithTaxon biolink:PhysicalEssenceOrOccurrent

An endoderm that is part of a anal region.


epithelium of endolymphatic sac

An epithelium that is part of a endolymphatic sac [Automatically generated definition].


myoepithelium

An epithelium consisting of myopethelial cells, which are contractile cells resembling smooth muscle cells that are present in glands, notably the mammary gland, and aid in secretion. This cell has long weaving dendritic processes containing myofilament[CL].


ovarian follicle stage III

Stage III (340-690 microns) are vitellogenesis. Selman et al, 1993.


pars distalis of adenohypophysis

The distal part of adenohypophysis: the part that makes up the main body of the gland.


crus commune epithelium

An epithelium that is part of a crus commune.


oligosaccharyltransferase II complex

An oligosaccharyltransferase (OST) complex that contains the seven polypeptides found in OST complex I, plus heterotrimeric Sec61alpha-beta-gamma. Of the three forms of mammalian OST complexes identified, the OSTII complex has intermediate affinity for ribosomes.


mitotic nuclear membrane microtubule tethering complex

A protein complex capable of interacting with the spindle pole body and the nuclear envelope, in order to embed the spindle pole body in the nuclear envelope at fusion sites of the inner and outer nuclear membrane.


somite 26

Undifferentiated mesodermal component of early tail segment 26 or metamere, derived from paraxial mesoderm; forms the myotome, sclerotome and perhaps dermatome. Kimmel et al, 1995.


integrin alphaE-beta7 complex

An integrin complex that comprises one alphaE subunit and one beta7 subunit.


thoracic thymus

A mature thymus that is entirely part of thoracic region.


tongue keratinized epithelium

A keratinized stratified squamous epithelium that is part of a tongue.


IgY immunoglobulin complex

A protein complex composed of two identical immunoglobulin heavy chains of the IgY isotype and two identical immunoglobulin light chains, held together by disulfide bonds. An IgY immunoglobulin complex may be embedded in the plasma membrane or present in the extracellular space, in mucosal areas or other tissues, or circulating in the blood or lymph.


paired fin

Fin that is one of a pair located ventrally on the organism.


interdigital gland

A skin gland found in the interdigital region of some mammals.


main bronchus

One of two branches of the trachea.


intestinal bulb epithelium

Intestinal epithelium which lines the lumen of the intestinal bulb.


lobar bronchus of right lung

A lobar bronchus that is part of a right lung [Automatically generated definition].


mucosa

A lining of mostly endodermal origin, covered in epithelium, which is involved in absorption and secretion. They line various body cavities that are exposed to the external environment and internal organs. It is at several places continuous with skin: at the nostrils, the lips, the ears, the genital area, and the anus. The sticky, thick fluid secreted by the mucous membranes and gland is termed mucus. The term mucous membrane refers to where they are found in the body and not every mucous membrane secretes mucus[WP].


frontonasal process epithelium

An epithelium that is part of a frontonasal prominence.


systemic artery

An artery of the systemic circulation, which is the part of the cardiovascular system which carries oxygenated blood away from the heart, to the body, and returns deoxygenated blood back to the heart.


secondary cartilage tissue

Cartilage tissue that is part of the exoskeleton, deposited adjacent to bone after bone formation.


nerve of clitoris

biolink:AnatomicalEntity biolink:OrganismalEntity biolink:BiologicalEntity biolink:NamedThing biolink:Entity biolink:PhysicalEssence biolink:SubjectOfInvestigation biolink:ThingWithTaxon biolink:PhysicalEssenceOrOccurrent

Any nerve that innervates the clitoris.


autonomic nerve plexus

A nerve plexus that is part of an autonomic nervous system [Automatically generated definition].


enteric plexus

A plexus of autonomic nerve fibers within the wall of the digestive tube, and made up of the submucosal, myenteric, and subserosal plexuses; it contains visceral afferent fibers, sympathetic postganglionic fibers, parasympathetic preganglionic and postganglionic fibers, and parasympathetic postganglionic cell bodies.


oral disk

Lip that is expanded to form a broad, rounded cup around the mouth.


neural tissue

Portion of tissue in the nervous system which consists of neurons and glial cells, and may also contain parts of the vasculature.


arrector pili muscle of vibrissa

An arrector muscle of hair that is part of a vibrissa hair.


dorsal motor nucleus trigeminal nerve

Trigeminal motor nucleus that is located dorsal to the lateral longitudinal fascicle.


ventral motor nucleus trigeminal nerve

Trigeminal motor nucleus that is located at the ventrolateral edge of the lateral longitudinal fascicle.


isthmic primary nucleus

Sensory trigeminal nucleus located in the most rostral position.  It lies immediately caudal to the secondary gustatory nucleus.


anatomical group

Anatomical structure consisting of at least two non-overlapping organs, multi-tissue aggregates or portion of tissues or cells of different types that does not constitute an organism, organ, multi-tissue aggregate, or portion of tissue.


middle lateral line nerve

Nerve fibers originating from the middle lateral line ganglion. These fibers innervate the middle lateral line.


surface structure

Anatomical structure that overlaps the outer epithelial layer and is adjacent to the space surrounding the organism.


nucleus of the descending root

Sensory trigeminal nucleus that lies at the mediodorsal edge of the descending trigeminal root (DV).  This nucleus is not clearly delineated.


diencephalic white matter

White matter that is part of a diencephalon [Automatically generated definition].


hyoideomandibular nerve

Nerve that is a branch of cranial nerve VII that passes through or around the suspensorium to innervate muscles and sensory organs on or near pharyngeal arch 2.


lower lip

Lip that covers the lower portion of the mouth.[TAO].


upper lip

Lip that covers the upper portion of the mouth.[TAO].


white matter

Neural tissue consisting of myelinated axons connecting grey matter areas of the central nervous system.


hindbrain nucleus

Nucleus located within the hindbrain.


medial funicular nucleus trigeminal nuclei

Sensory trigeminal nucleus located at the end of the medulla oblongata.


ventral anterior lateral line nerve

Nerve fibers originating from the ventral anterior lateral line ganglion. These rami innervate the mandibular and opercular neuromasts.


lateral line nerve

Cranial nerves that carry afferent and efferent fibers for the lateral line system.


nucleus of brain

A neural nucleus that is part of the brain.


posterior lateral line nerve

Cranial nerve which enters the brain between cranial nerves VIII and IX; contains afferents and sensory efferents to the posterior lateral line ganglion and middle ganglion. Fibers from the posterior lateral line ganglion innervate the occipital dorsal lateral line and trunk lateral lines.


ampullary nerve

A branch of the 8th cranial nerve that innervates the cristae ampullaris.


anterior lateral line nerve

Cranial nerve which enters the brain between cranial nerves VI and VII; contains afferents and sensory efferents to the anterior lateral line ganglia.


gray matter

A nervous system structure composed primarily of nerve cell bodies (somas). May also include dendrites and the initial unmyelinated portion of axons.


terminal nerve

The terminal nerve, located anterior to cranial nerve I, is comprised of a group of cells with somata adjacent to the olfactory bulb and processes that extend anteriorly to the olfactory epithelium and posteriorly to the telencephalon. In teleost fish an additional group of axons extends along the optic tract and delivers putative neuromodulators to the retina. It is thought to develop from cranial neural crest.


secondary gustatory nucleus trigeminal nuclei

Nucleus that lies rostral to the isthmic primary nucleus.


dorsal anterior lateral line nerve

Nerve fibers originating from the dorsal anterior lateral line ganglion. These rami innervate the otic, supraorbital, and infraorbital neuromasts.


Triangular-Hamate Joint

The articulation between the hamate and the triquetral bones in the wrist.


lower arm connective tissue

A portion of connective tissue that is part of a lower arm [Automatically generated definition].


quinone

Compounds having a fully conjugated cyclic dione structure, such as that of benzoquinones, derived from aromatic compounds by conversion of an even number of -CH= groups into -C(=O)- groups with any necessary rearrangement of double bonds (polycyclic and heterocyclic analogues are included).


Vitamin K

Any member of a group of fat-soluble 2-methyl-1,4-napthoquinones that exhibit biological activity against vitamin K deficiency. Vitamin K is required for the synthesis of prothrombin and certain other blood coagulation factors.


A quinolone that is quinoline-5,8-dione in which the hydrogen at position 6 is replaced by an anilino group.


hydroxyanthraquinones

An anthraquinone substituted with one or more hydroxy groups.


prenylquinone

A quinone substituted by a polyprenyl-derived side-chain. Prenylquinones occur in all living cells. Due to their amphiphilic character, they are mainly located in biological membranes where they function as electron and proton carriers in the photosynthetic and respiratory electron transport chains. Some prenylquinones also perform more specialised roles sucy as antioxidants and enzyme cofactors. Prenylquinones are classified according to ring structure: the main classes are menaquinones, phylloquinones, ubiquinones and plastoquinones.


acenoquinone

Quinones containing an acene fused ring system.


p-quinones

A quinone in which the two oxo groups of the quinone are located para to each other on the 6-membered quinonoid ring.


A polycyclic aromatic ketone metabolite of naphthalene.


A naphthoquinone in which the oxo groups of the quinone moiety are at positions 1 and 4 of the parent naphthalene ring.


hydroxyquinone

Any quinone in which one or more of the carbons making up the quinone moiety is substituted by a hydroxy group.


mesopodium region

The third segment of the limb, including either the wrist segment (carpus) or the ankle segment (tarsus).


N-acetylglucosamine

An N-acylglucosamine where the N-acyl group is specified as acetyl.


enol ether

Ethers ROR' where R has a double bond adjacent to the oxygen of the ether linkage.


(R)-Bifonazole

A 1-[biphenyl-4-yl(phenyl)methyl]imidazole that is the R-enantiomer of bifonazole.


A axonemal microtubule

A complete microtubule with 13 protofilaments that fuses with an incomplete microtubule called B tubule (containing 10 protofilaments only) to form an axonemal outer doublet. Inner and outer dynein arms, as well as the radial spoke, are attached to the A tubule.


supramolecular complex

A cellular component that consists of an indeterminate number of proteins or macromolecular complexes, organized into a regular, higher-order structure such as a polymer, sheet, network or a fiber.


skeletal muscle myofibril

A myofibril of a skeletal muscle fiber.


dendritic microtubule

Any microtubule in a dendrite, a neuron projection.


fibronectin fibril

A supramolecular fiber formed from fibronectin molecules. The fibrils are 5 to 25nm in diameter and can form branched meshworks.


intraconoid microtubule

A microtubule located such that it threads through the conoid and projects through the polar ring.


supramolecular polymer

A polymeric supramolecular structure.


post-anaphase array microtubule

Any microtubule that is part of a post-anaphase microtubule array.


mitotic spindle polar microtubule

Any of the mitotic spindle microtubules that come from each pole and overlap at the spindle midzone.


meiotic spindle astral microtubule

Any of the meiotic spindle microtubules that radiate in all directions from the spindle poles and are thought to contribute to the forces that separate the poles and position them in relation to the rest of the cell.


actomyosin contractile ring actin filament

Any actin filament that is part of a actomyosin contractile ring.


subpellicular microtubule

Singlet microtubule that lie underneath the inner membrane pellicle complex and emanate from the basal ring of the conoid.


cortical microtubule

Arrays of microtubules underlying and connected to the plasma membrane in the cortical cytosol.


cardiac myofibril

A cardiac myofibril is a myofibril specific to cardiac muscle cells.


actin filament of cell cortex of cell tip

Any actin filament that is part of a cell cortex of cell tip.


C2 axonemal microtubule

One of two microtubules present in the axonemal central pair. It is distinguishable from the C1 axonemal microtubule (also called C1 tubule) by the presence of differing protein components of the projections.


horsetail-astral microtubule array

An array of astral microtubules that emanates from the spindle pole body during meiosis and facilitates horsetail nuclear movement.


intranuclear rod

A macromolecular fiber consisting of actin and cofilin that is formed in the nucleus as a consequence of chemical or mechanical stress conditions.


mitotic spindle microtubule

Any microtubule that is part of a mitotic spindle; anchored at one spindle pole.


glial filament

An intermediate filament composed of glial fibrillary acidic protein (GFAP) and found in astrocytes.


mitotic spindle kinetochore microtubule

Any of the mitotic spindle microtubules that attach to the kinetochores of chromosomes by their plus ends, and maneuver the chromosomes during mitotic chromosome segregation.


cytoophidium

A subcellular filamentary structure where CTP synthase is compartmentalized in a range of organisms including bacteria, yeast, fruit fly, rat and human.


B axonemal microtubule

An incomplete microtubule containing 10 protofilaments that fuses with a complete microtubule called A tubule (containing 13 protofilaments) to form an axonemal outer doublet.


cortical microtubule, transverse to long axis

Arrays of microtubules underlying and connected to the plasma membrane, in the cortical cytosol, oriented mainly with their axes transverse to the long axis of the cell (and root in plants). In plants it influences the direction of cellulose microfibril deposition.


C1 axonemal microtubule

One of two microtubules present in the axonemal central pair. It is distinguishable from the C2 axonemal microtubule (also called C2 tubule) by the presence of differing protein components of the projections.


nuclear microtubule

Any microtubule in the nucleus of a cell.


A pyridinium ion obtained by protonation of the ring nitrogen of pyridoxal.


DL-Alanine

An alpha-amino acid that consists of propionic acid bearing an amino substituent at position 2.


hypaxial region somite 28

The hypaxial region of somite 28 derived body wall muscle. The hypaxial region is ventral to the horizontal myoseptum. Kimmel et al, 1995.


neuromuscular junction of skeletal muscle fiber

A neuromuscular junction in which the target muscle cell is a skeletal muscle fiber.


intestinal mucosal muscle

A thin layer of smooth muscle immediately beneath the base of the villi which permits the intestinal mucosa to dynamically move and fold.


muscularis mucosae of appendix

A muscularis mucosa that is part of a vermiform appendix.


muscularis mucosae of jejunum

A muscularis mucosa that is part of a jejunum.


muscularis mucosae of small intestine

A muscularis mucosa that is part of a small intestine.


large intestine smooth muscle

A portion of smooth muscle tissue that is part of a large intestine [Automatically generated definition].


small intestine smooth muscle

A portion of smooth muscle tissue that is part of a small intestine [Automatically generated definition].


muscularis mucosae of colon

A muscularis mucosa that is part of a colonic mucosa.


muscularis mucosae of duodenum

A muscularis mucosa that is part of a duodenum.


muscularis mucosae of intestine

A muscularis mucosa that is part of a intestine.


muscularis mucosae of large intestine

A muscularis mucosa that is part of a large intestine.


sural nerve

The sural nerve (short saphenous nerve), formed by the junction of the medial sural cutaneous with the peroneal anastomotic branch of the lateral sural cutaneous nerve, passes downward near the lateral margin of the tendo calcaneus, lying close to the small saphenous vein, to the interval between the lateral malleolus and the calcaneus. It runs forward below the lateral malleolus, and is continued as the lateral dorsal cutaneous nerve along the lateral side of the foot and little toe (via a dorsal digital nerve), communicating on the dorsum of the foot with the intermediate dorsal cutaneous nerve, a branch of the superficial peroneal. In the leg, its branches communicate with those of the posterior femoral cutaneous.


iodothyronine

An  iodoamino acid in which the amino acid specified is  thyronine.


organoiodine compound

An organoiodine compound is a compound containing at least one carbon-iodine bond.


iodoamino acid

An amino acid containing at least one iodo substituent.


germ tube septin cap

A faint structure formed of septins found at the leading edge of growth in germ tubes of fungal cells growing filamentously. This cap of septins colocalizes with a region of the plasma membrane that is rich in ergosterol.


cytoskeleton

A cellular structure that forms the internal framework of eukaryotic and prokaryotic cells. The cytoskeleton includes intermediate filaments, microfilaments, microtubules, the microtrabecular lattice, and other structures characterized by a polymeric filamentous nature and long-range order within the cell. The various elements of the cytoskeleton not only serve in the maintenance of cellular shape but also have roles in other cellular functions, including cellular movement, cell division, endocytosis, and movement of organelles.


actin cytoskeleton of dendritic spine

The actin cytoskeleton that is part of a dendritic spine.


hyphae septin collar

A septin collar in pathogenic fungi involved in the constriction of hyphae at the plant plasmodesma enabling penetration of an adjacent cell.


prospore septin filament array

Arrays of septin filaments, or bars, found in a series of filamentous structures; observed in the prospore membrane during spore formation.


septin filament array

Arrays of septin filaments, or bars, found in a series of filamentous structures. Such structures have been observed in the prospore membrane during spore formation in S. cerevisiae and in the chlamydospore membrane during chlamydospore formation in C. albicans.


postsynaptic septin cytoskeleton

The portion of the septin cytoskeleton contained within the postsynapse.


mating projection septin ring

A septin ring, i.e. a ring-shaped structure composed of septins and septin-associated proteins, located at the neck of a shmoo (mating projection). The septin ring in the neck of a shmoo may act as a barrier to localize mating factors in the shmoo tip.


postsynaptic intermediate filament cytoskeleton

The intermediate filament cytoskeleton that is part of a postsynapse.


septin ring

A tight ring-shaped structure that forms in the division plane at the site of cytokinesis; composed of members of the conserved family of filament-forming proteins called septins as well as septin-associated proteins. This type of septin structure is observed at the bud neck of budding fungal cells, at the site of cell division in animal cells, at the junction between the mother cell and a pseudohyphal projection, and also within hyphae of filamentous fungi at sites where a septum will form.


septin collar

A tubular, hourglass-shaped structure composed of highly ordered arrays of septin filaments; in budding yeast cells, the septin collar forms from the initial septin ring by expanding into the daughter cell.


postsynaptic actin cytoskeleton

The actin cytoskeleton that is part of a postsynapse.


germ tube septin ring

A tight ring-shaped structure that forms in the division plane within the germ tube of filamentous fungi at sites where a septum will form; composed of septins as well as septin-associated proteins.


split septin rings

A pair of rings that flank the site of cell division, formed by splitting of the septin ring (or collar) prior to cytokinesis; this double ring structure is thought to trap proteins needed for cytokinesis or the formation of the new membrane or cell wall between the two septin rings. Split septin rings are known to occur in budding yeast cells and probably occur in other cell types as well.


presynaptic actin cytoskeleton

The actin cytoskeleton that is part of a presynapse.


prospore septin ring

A tight ring-shaped structure that forms in the division plane at the site of cytokinesis in a prospore; composed of septins as well as septin-associated proteins.


chlamydospore septin filament array

Arrays of septin filaments, or bars, found in a series of filamentous structures. Observed in the chlamydospore membrane during chlamydospore formation.


hyphal septin cap

A faint structure formed of septins found at the leading edge of growth in hyphae of fungal cells growing filamentously. This cap of septins colocalizes with a region of the plasma membrane that is rich in ergosterol.


septin cap

A faint structure formed of septins found at the leading edge of growth in germ tubes and hyphae in fungal cells growing filamentously. This cap of septins colocalizes with a region of the plasma membrane that is rich in ergosterol.


pseudohyphal septin ring

A tight ring-shaped structure that forms in the division plane at the junction between the mother cell and a pseudohyphal projection; composed of septins as well as septin-associated proteins.


cellular bud neck septin ring

A ring-shaped structure that forms at the site of cytokinesis in the bud neck of a budding cell; composed of members of the conserved family of filament forming proteins called septins as well as septin-associated proteins. In S. cerevisiae, this structure forms at the time of bud emergence and the septins show a high rate of exchange.


presynaptic intermediate filament cytoskeleton

The intermediate filament cytoskeleton that is part of a presynapse.


hyphal septin ring

A tight ring-shaped structure that forms in the division plane within hyphae of filamentous fungi at sites where a septum will form; composed of septins as well as septin-associated proteins.


cellular bud neck split septin rings

Two separate septin rings that are formed from the septin collar at the time of cytokinesis in cells that divide by budding. These two rings are thought to delineate a special compartment in which factors involved in cytokinesis are concentrated.


medial cortex septin ring

A ring-shaped structure that forms at the medial cortex of a symmetrically dividing cell at the onset of cytokinesis; composed of members of the conserved family of filament forming proteins called septins as well as septin-associated proteins.


The portion of the spectrin-associated cytoskeleton contained within the postsynapse.


benzyl alcohols

Compounds containing a phenylmethanol skeleton.


A secondary amino compound that is 4-(2-amino-1-hydroxypropyl)phenol in which one of the hydrogens attached to the nitrogen is replaced by a 2-(4-hydroxyphenyl)ethyl group.


respiratory system elastic tissue

An elastic tissue that is part of a respiratory system [Automatically generated definition].


trachea elastic tissue

An elastic tissue that is part of a trachea [Automatically generated definition].


lung elastic tissue

Elastic tissue that is part of a lung [Automatically generated definition].


hemiaminal

Any organic amino compound that has an amino group and a hydroxy group attached to the same carbon atom. Hemiaminals are intermediates in the formation of imines by addition of an amine to an aldehyde or ketone; those derived from primary amines are particularly unstable.


host cell endocytic vesicle membrane

The lipid bilayer surrounding a host cell endocytic vesicle.


esterosome membrane

The lipid bilayer surrounding an esterosome. This membrane has characteristics of rough endoplasmic reticulum (RER) membranes.


ankle nerve

A nerve that is part of an ankle [Automatically generated definition].


A member of the class of quinolones that is 1,2,3,4-tetrahydroquinoline in which the hydrogens at positions 2 and 4 have been replaced by oxo groups.


Any hydroxyflavanone with a hydroxy substituent at position 3' of the phenyl ring.


hydroxyflavanone

A member of the class of flavanones that consists of flavanone with one or more hydroxy substituents.


Any  oxo steroid carrying the oxo group at position 17.


(R)-Ketamine

The R- (less active) enantiomer of ketamine.


Any oxo steroid where an oxo substituent is located at position 3.


Any methoxyflavanone having a methoxy substituent located at position 4'.


cyclohexanones

Any alicyclic ketone based on a cyclohexane skeleton and its substituted derivatives thereof.


flavanones

Members of the class of flavans with a 3,4-dihydro-2-aryl-2H-1-benzopyran-4-one skeleton and its substituted derivatives.


Any 3-oxo steroid that contains a double bond between positions 1 and 2.


alicyclic ketone

A cyclic ketone in which the carbocyclic ring structure which may be saturated or unsaturated, but may not be a benzenoid or other aromatic system.


methoxyflavanone

A member of the class of flavanones that consists of flavanone with one or more methoxy substituents.


A 3-oxo steroid that has alpha configuration at position 5.


A 3-oxo-Delta(1) steroid containing an additional double bond between positions 4 and 5.


A 3-oxo steroid conjugated to a C=C double bond at the alpha,beta position.


monomethoxyflavanone

Any methoxyflavanone that is flavanone substituted by a methoxy group.


Esketamine

The S- (more active) enantiomer of ketamine.


dihydroxyflavanone

Any  hydroxyflavanone carrying two hydroxy substituents.


A dicarboximide that is 3,4,5,6-tetrahydrophthalimide in which the hydrogen attached to the nitrogen is replaced by a p-bromophenyl group.


epihyal-branchiostegal ray joint

Joint that articulates the epihyal and branchiostegal ray bones. Epihyal-branchiostegal ray joint is paired.


trunk taste bud

A taste bud that is located on the skin of the trunk.


enamide

An alpha,beta-unsaturated carboxylic acid amide of general formula R(1)R(2)C=CR(3)-C(=O)NR(4)R(5) in which the amide C=O function is conjugated to a C=C double bond at the alpha,beta position.


trunk bone

A bone that is part of a trunk [Automatically generated definition].


thoracic segment bone

A bone that is part of a thorax [Automatically generated definition].


abdominal segment bone

A bone that is part of an abdominal segment of trunk [Automatically generated definition].


distal epiphysis of distal phalanx of manual digit 2

A distal epiphysis that is part of a distal phalanx of manual digit 2.


Metacarpophalangeal Joint 3

A condyloid synovial joint within the third digit of the hand connecting the metacarpal to the proximal phalanx.


Skinfold

Integument that folds in upon itself.


hemiacetal

A compound having the general formula RR'C(OH)OR'' (R'' =/= H).


lactol

Cyclic hemiacetals formed by intramolecular addition of a hydroxy group to an aldehydic or ketonic carbonyl group. They are thus 1-oxacycloalkan-2-ols or unsaturated analogues.


cyclic hemiketal

A hemiacetal  having the structure R2C(OH)OR (R =/= H), derived from a ketone by formal addition of an alcohol to the carbonyl group. The term 'cyclic hemiketals', once abandoned by IUPAC, has been reinstated as a subclass of hemiacetals.


hemiketal

A hemiacetal having the structure RR(1)C(OH)OR(2) (R, R(1), R(2) =/= H), derived from a ketone by formal addition of an alcohol to the carbonyl group.


pyridinecarboxamide

A member of the class of pyridines that is a substituted pyridine in which at least one of the substituents is a carboxamide or N-substituted caraboxamide group.


epaxial region somite 28

The epaxial region of somite 28 derived body wall muscle. The epaxial region is dorsal to the horizontal myoseptum. Kimmel et al, 1995.


proximal epiphysis of distal phalanx of manual digit 1

A proximal epiphysis that is part of a distal phalanx of manual digit 1 [Automatically generated definition].


sweat of axilla

Sweat that is produced by the glands of the axilla.


sweat of palm

Sweat that is produced by the glands on the palmar and plantar surfaces.


scrotal sweat

Any portion of sweat that is produced by a sweat gland of the scrotum.


host cell Golgi apparatus

A compound membranous cytoplasmic organelle of eukaryotic host cells, consisting of flattened, ribosome-free vesicles arranged in a more or less regular stack.


autonomic nerve

The autonomic nerve is a small nerve which carries postganglionic sympathetic and parasympathetic neurons from the zygomaticotemporal nerve; a branch of the maxillary nerve, to the lacrimal nerve; a branch of the ophthalmic nerve. These neurons derive from the superior cervical ganglion and the pterygopalatine ganglion respectively. They will travel to the lacrimal gland via the lacrimal nerve. Parasympathetic will induce lacrimation and vice versa.


valve of inferior vena cava

The semicircular fold of endocardium located on the right atrium at the point of attachment of the inferior vena cava; during development this valve helps direct the flow of oxygen-rich blood through the right atrium into the left cardiac atrium via the foramen ovale (preventing blood flowing into the right ventricle).


2-furoate ester

Any carboxylic ester where the carboxylic acid component is 2-furoic acid.


tertiary carboxamide

A carboxamide resulting from the formal condensation of a carboxylic acid with a secondary amine; formula RC(=O)NHR(1)R(2).


4-(2-Aminoethyl)pyrocatechol [4-(2-aminoethyl)benzene-1,2-diol] and derivatives formed by substitution.


DL-Adrenaline

A catecholamine in which the aminoethyl side-chain is hydroxy-substituted at C-1 and methylated on nitrogen.


A catecholamine in which C-1 of the aminoethyl side-chain is hydroxy-substituted.


chromoplast inner membrane

The inner, i.e. lumen-facing, lipid bilayer of the chromoplast envelope; also faces the chromoplast stroma.


Costochondral Joint 1

The first hyaline cartilaginous joint between the ribs and costal cartilage.


Peripheral Blood Vessel

A blood vessel located in the following sites: upper extremities, lower extremities, lower abdomen, head, or neck.


flexor sesamoid

A sesamoid bone located near or in the flexor musculature of a joint.


DL-Cysteine

A sulfur-containing amino acid that is propanoic acid with an amino group at position 2 and a sulfanyl group at position 3.


hydroxy fatty acid

Any fatty acid carrying one or more hydroxy substituents.


hydroxybutyric acid

Any compound comprising a butyric acid core carrying at least one hydroxy substituent.


insect external sensillum

Sensillum which is embedded in the body wall and has a specific cuticular structure involved in the transduction of some sensory signal as a part.


insect chaeta

A sensillum with a long, unicellular, setiform outgrowth that is strongly chitinized.


insect eo-type sensillum

Sensillum with innervated external cuticular sensory structure consisting of one or more bipolar sensory neurons, and 3 support cells: a trichogen cell which makes the external cuticular sensory structure, a thecogen cell which makes the socket that holds the base of the external sensory structure and a tormogen cell which makes the cuticular matrix (cap) at the tip of the innervating dendrite(s).


secondary cell wall

A plant cell wall that is no longer able to expand and so does not permit growth. Secondary cell walls contain less pectin that primary cell walls. The secondary cell is mostly composed of cellulose and is strengthened with lignin.


extrinsic component of periplasmic side of plasma membrane

The component of a plasma membrane consisting of gene products and protein complexes that are loosely bound to its periplasmic surface, but not integrated into the hydrophobic region.


DL-Tryptophan

An alpha-amino acid that is alanine bearing an indol-3-yl substituent at position 3.


Proximal Interphalangeal Joint 4 of the Hand

A ginglymoid (hinge) synovial joint within the fourth digit of the hand connecting the proximal and middle phalanges.


hippocampal mossy fiber to CA3 synapse

One of the giant synapses that form between the mossy fiber axons of dentate gyrus granule cells and the large complex spines of CA3 pyramidal cells. It consists of a giant bouton known as the mossy fiber expansion, synapsed to the complex, multiheaded spine (thorny excresence) of a CA3 pyramidal cell.


left caudal basal body

Any ciliary basal body that is part of a left caudal flagellum found in Giardia species (trophozoite stage).


portion of cartilage tissue in tibia

Cartilage pertaining to the tibia.


Phosphate ion

A phosphate ion that is the conjugate base of hydrogenphosphate.


aminophospholipid

A phospholipid that contains one or more amino groups.


adenyl nucleotide

A  nucleotide having adenine as the base.


nucleoside 5'-phosphate

A ribosyl or deoxyribosyl derivative of a pyrimidine or purine base in which C-5 of the ribose ring is mono-, di-, tri- or tetra-phosphorylated.


nucleoside phosphate

A nucleobase-containing molecular entity that is a nucleoside in which one or more of the sugar hydroxy groups has been converted into a mono- or poly-phosphate. The term includes both nucleotides and non-nucleotide nucleoside phosphates.


Thiamine diphosphate

A thiamine phosphate that is thiamine(1+) in which the hydroxy group has been replaced by a diphosphate group. It is the active form of vitamin B1 and an essential cofactor for enzymes in key metabolic pathways.


nucleotide

A nucleotide is a nucleoside phosphate resulting from the condensation of the 3 or 5 hydroxy group of a nucleoside with phosphoric acid.


phospho sugar

Any monosaccharide containing an alcoholic hydroxy group esterified with phosphoric acid.


Thiamine monophosphate

A thiamine phosphate that is thiamin(1+) in which the hydroxy group is replaced by a phosphate group.


Thiamine triphosphate

A thiamine phosphate that is thiamine(1+) in which the hydroxy group is replaced by a triphosphate group. It is found in low amounts in most vertebrate tissues and can phosphorylate certain proteins.


pentose phosphate

Any phospho sugar that is the phosphate derivative of pentose.


phospholipid

A lipid containing phosphoric acid as a mono- or di-ester. The term encompasses phosphatidic acids and phosphoglycerides.


purine nucleotide

Any nucleotide that has a purine nucleobase.


Salivary Gland Tissue

Tissue consisting of mucous or serous secreting epithelial tissue, connective tissue, blood vessels, nerves and lymphatic tissue.


lower leg connective tissue

A portion of connective tissue that is part of a lower leg [Automatically generated definition].


Pyridoxine Hydrochloride

The hydrochloride salt of pyridoxine.


A member of the class of quinolones that is the amide obtained from formal condensation of the carboxy group of 1-allyl-4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxylic acid with the amino group of 2-amino-3-ethyl-1,3,4-thiadizole.


pyrazolone

A member of the class of pyrazoles in which one of the carbons of the pyrazole ring is substituted by an oxo group.


Basilar Membrane of the Membranous Canal of the Cochlea

The wall of the cochlear duct, which separates it from the scala tympani. It vibrates in response to sound, exciting the hair cells and supports the organ of Corti.


Emotional Tear

A type of tear produced in response to negative and positive emotions; contains higher amounts of proteins and stress-related hormones in comparison to other tear types.


Structure of subcarinal lymph node

A lymph node located in the thoracic cavity between the lungs. It is bordered by the carina of the trachea, lower lobe bronchus on the left and the bronchus intermedius on the right.


Anterior Ulnar Vein

A vein that extends along the ulna to the elbow joint.


muscularis mucosa

A thin layer of smooth muscle found in most parts of the gastrointestinal tract, located outside the lamina propria mucosae and separating it from the submucosa[WP].


Hematopoietic and Lymphatic System Part

Any component of the system of organs and tissues, including the bone marrow, spleen, tonsils, and lymph nodes, involved in the production of blood considered together with the interconnected system of spaces and vessels between body tissues and organs by which lymph circulates throughout the body.


Para-Spinal Ganglion

A sympathetic ganglion located adjacent to the spinal column.


Metacarpophalangeal Joint 5

A condyloid synovial joint within the fifth digit of the hand connecting the metacarpal to the proximal phalanx.


Neuroectodermal Cell

biolink:Cell biolink:AnatomicalEntity biolink:OrganismalEntity biolink:BiologicalEntity biolink:NamedThing biolink:Entity biolink:PhysicalEssence biolink:SubjectOfInvestigation biolink:ThingWithTaxon biolink:PhysicalEssenceOrOccurrent

An embryonic cell on the dorsal surface of the early vertebrate embryo that gives rise to the cells of the nervous system


adrenal tissue

Tissue that is part of some adrenal gland.


sympathetic ganglion

A ganglion of the sympathetic nervous system. Examples: paravertebral and the prevertebral ganglia, which include the sympathetic chain ganglia, the superior, middle, and inferior cervical ganglia, and the aorticorenal, celiac, and stellate ganglia.


Gastric Curvature Lymph Node

A lymph node that is located between the two layers of the greater omentum, either superiorly along the cardiac half of the lesser curvature of the stomach or inferiorly along the pyloric half of the greater curvature of the stomach.


tissue

Multicellular anatomical structure that consists of many cells of one or a few types, arranged in an extracellular matrix such that their long-range organisation is at least partly a repetition of their short-range organisation.


Parapharyngeal Lymph Node

Any lymph node located in the potential space of the neck, which is bounded superiorly by the base of the skull, inferiorly by the greater cornu of the hyoid bone, anteriorly by the investing fascia of the deep cervical fascia covering the medial pterygoid muscle, posteriorly by the prevertebral layer of the deep cervical fascia, medially by the middle (pretracheal) layer of the deep cervical fascia, and laterally by the investing fascia of the deep cervical fascia covering the deep lobe of the parotid.


synarthrosis

A synarthrosis is a type of joint which permits very little or no movement under normal conditions. Most synarthrosis joints are fibrous. Suture joints and synchondroses are synarthroses.


laryngeal cartilage

The cartilaginous structures that support the larynx.


Structure of profunda femoris vein

A vein located in the upper thigh that connects, through tributaries, to the popliteal and inferior gluteal veins, and joins the superficial femoral vein at the groin to form the common femoral vein.


Interphalangeal Joint 1

A ginglymoid (hinge) synovial joint within the first digit of the hand or foot connecting the proximal and distal phalanges.


Structure of suprarenal aorta

The portion of the abdominal aorta superior to the renal arteries.


obturator nerve

The obturator nerve arises from the ventral divisions of the second, third, and fourth lumbar nerves; the branch from the third is the largest, while that from the second is often very small.


cuneiform cartilage

The cuneiform cartilages of the larynx are two small, elongated pieces of yellow elastic cartilage, placed one on either side, in the aryepiglottic fold, where they give rise to small whitish elevations on the surface of the mucous membrane, just in front of the arytenoid cartilages.


seminal vesicle fluid

A bodily secretion that is produced by a seminal vesicle.


Tibiotarsal Joint

The joint connecting the lower part of the tibia with the upper part of the tarsus bones, specifically articulating with the talus bone.


Neck Lymph Node Boundary Level VII

The following anatomical structures define the neck lymph node boundary for level VII: Superior: suprasternal notch; inferior: innominate artery; anterior (medial): sternum; posterior (lateral): trachea, esophagus, and prevertebral fascia. (AJCC 8th ed.)


short bone

Short bones are designated as those bones that are as wide as they are long. Their primary function is to provide support and stability with little to no movement. They are one of five types of bones: long, short, flat, irregular and sesamoid. Examples of these bones include the tarsals in the foot and the carpals in the hand.


Wall of anterior cranial fossa

The portion of the skull that is formed laterally by the orbital plates of the frontal bone, medially by the cribriform palate and crista galli of the ethmoid bone, and posteriorly by the planum sphenoidale and lesser wings of the sphenoid bone.


sacrococcygeal symphysis

The sacrococcygeal symphysis (sacrococcygeal articulation, articulation of the sacrum and coccyx) is an amphiarthrodial joint, formed between the oval surface at the apex of the sacrum, and the base of the coccyx. It is a slightly moveable joint which is frequently, partially or completely, obliterated in old age, homologous with the joints between the bodies of the vertebrae.


Peristomal Skin

The skin surrounding a stoma and on which the pouching system is placed.


right ureter

An ureter that is part of a right side of organism [Automatically generated definition].


Structure of right seminal vesicle

The seminal gland that is located to the anatomical right of the bladder.


Intrahepatic Portion of the Left Hepatic Duct

The section of the left hepatic duct located in the liver.


Subsegmental Bronchus of Right Lung

A part the bronchial tree of the right lung, an air passage arising from any segmental bronchus of the right lung and passing to the naturally delimited part of lung segment (subsegment), where it further subdivides into smaller passages.


Septal Vein

The paired veins in the frontal lobe and along the septum pellucidum that drain into the internal cerebral veins.


Infrarenal aorta

The portion of the abdominal aorta that lies below the kidneys.


Abdominal lymph node group

Any lymph node within the abdomen.


Structure of labial gland

A round gland located between the mucous membrane and orbicularis oris muscle of the mouth.


Medial Supraclavicular Lymph Node

A cervical lymph node located above the medial region of the clavicle.


Embryonic Cell

A cell formed in the initial stages of embryonic development, after zygote formation.


Interphalangeal Joint 5 of the Hand

A ginglymoid (hinge) synovial joint between the phalanges of the fifth digit of the hand.


secretion of exocrine gland

A portion of organism substance that is produced by exocrine glands.


axillary nerve

The axillary nerve is a nerve of the human body, that comes off the posterior cord of the brachial plexus at the level of the axilla (armpit) and carries nerve fibers from C5 and C6. The axillary nerve travels through the quadrangular space with the posterior circumflex humeral artery and vein. [WP,unvetted].


Common Ulnar Vein

A blood vessel containing deoxygenated blood formed by the joining of the anterior and posterior ulnar veins.


Structure of lunate-triquetrum joint

The articulation between the lunate and the triquetral bones in the wrist.


Distal Interphalangeal Joint 4 of the Foot

A ginglymoid (hinge) synovial joint within the fourth digit of the foot connecting the middle and distal phalanges.


Structure of saphenous nerve

A branch of the femoral nerve traveling the length of the leg/hindlimb, which innervates the sartorius and the skin of the medial aspect of the leg/hindlimb from the knee/stifle joint to the metatarsus.


ocular adnexa

The parts of the orbital region that are outside of the the eyeball, including the lacrimal apparatus, the extraocular muscles and the eyelids, eyelashes, eyebrows and the conjunctiva.


Distal Interphalangeal Joint 2 of the Foot

A ginglymoid (hinge) synovial joint within the second digit of the foot connecting the middle and distal phalanges.


Interphalangeal Joint 1 of the Foot

A ginglymoid (hinge) synovial joint within the first digit of the foot connecting the proximal and distal phalanges.


Interphalangeal Joint 5

A ginglymoid (hinge) synovial joint between the phalanges of the fifth digit of the hand or foot.


left uterine tube

A fallopian tube that is part of a left side of organism [Automatically generated definition].


gravid uterus

The uterus in pregnancy.


Cardia Gland

Simple tubular or compound racemose type glands located in the region where the esophagus attaches to the stomach which secrete mucus.


Carpometacarpal Joint 1

A saddle-shaped synovial joint between the metacarpal of the thumb and the trapezium.


Tibialcrural Artery

The blood vessel segment that includes the crural artery and the tibial artery.


right cardiac atrium

A cardiac atrium that is in the right side of the heart. It receives deoxygenated blood. In mammals, this comes from the superior and inferior vena cava and the coronary sinus, and pumps it into the right ventricle through the tricuspid valve.


Skin structure of buttock

The skin or integument covering the buttocks.


Carpometacarpal Joint 4

A plane joint between the fourth metacarpal and the hamate.


Postauricular lymph node

The lymph nodes located immediately posterior to the ear; also known as the mastoid lymph nodes or the posterior auricular lymph nodes.


Non-Glabrous Skin

Hairy skin.


Intrathoracic Lymph Node

Any lymph node within the thoracic cavity.


Reflex Tear

A type of tear produced in response to irritation from foreign particles, vapors, bright lights, or peppery substances; contains higher amounts of antibodies in comparison to other tear types.


Posterior Cervical Lymph Node

A lymph node located in the posterior region of the neck. (NCI)


muscularis mucosae of stomach

The thin layer of smooth muscle in the mucosal layer of the stomach that functions to agitate the surface area stomach mucosa by moving the villi back and forth.


Neuron, Neuroepithelial Cell, and Supporting Cell of the Nervous System

A grouping for all the different types of cells of the nervous system.


Hypophyseal Portal Vein

The blood vessel that drains blood from the capillary beds between the hypothalamus and anterior pituitary.


Neck Lymph Node Boundary Levels and Sublevels

The anatomical structures that define the neck lymph node boundaries.


Neck Lymph Node Boundary Sublevel VA

The following anatomical structures define the neck lymph node boundary for sublevel VA: Superior: apex of the convergence of the sternocleidomastoid and trapezius muscles; inferior: horizontal plane defined by the lower border of the cricoid cartilage; anterior (medial): posterior border of the sternocleidomastoid muscle or sensory branches of the cervical plexus; posterior (lateral): anterior border of the trapezius muscle. (AJCC 8th ed.)


Structure of median cephalic vein

A vein between the biceps and supinator longus muscle in the forearm that unites with the radial vein to form the cephalic vein.


Skin of chest

The integument that covers the chest.


chromaffin paraganglion

Small bodies containing chromaffin cells occurring outside of the adrenal medulla, most commonly near the sympathetic ganglia and in organs such as the kidney, liver, heart and gonads.


Gastrointestinal Fluid or Secretion

Fluids and secretions within the passage leading from the mouth to the anus through the pharynx, esophagus, stomach, and intestine which cause digestion.


lower respiratory tract cartilage

A cartilage that is part of a lower respiratory tract [Automatically generated definition].


Tibial Growth Plate

A layer of cartilaginous tissue located in the tibia of children and adolescents that separates the epiphysis from the metaphysis and is the site of longitudinal bone growth until skeletal maturity.


Endocrine Sex Organ

The tissue responsible for generating and secreting hormones involved in reproduction. In males, testosterone is produced and secreted from the testes while the female ovaries produce and secrete estrogens and progestrones.


Embryonic Structure or System

Body tissue, region, surface, cavity, fluid, organ, or collection of organs present in, or associated with, an embryo.


Inferior Mediastinal Lymph Node

A group of lymph nodes located in the inferior part of the mediastinum.


Skin structure of forearm

The integument that covers the forearm.


Retrosacral Lymph Node

A lymph node located in the retrosacral region.


sensory ganglion

The clusters of neurons in the somatic peripheral nervous system which contain the cell bodies of sensory nerve axons, interneurons and non-neuronal supporting cells.


Neck Lymph Node Boundary Sublevel IIA

The following anatomical structures define the neck lymph node boundary for sublevel IIA: Superior: skull base; inferior: horizontal plane defined by the inferior border of the hyoid bone; anterior (medial): stylohyoid muscle; posterior (lateral): vertical plane defined by the spinal accessory nerve. (AJCC 8th ed.)


Skin Around the Eye

The skin surrounding the eye, including the skin of the eyelid.


Proximal Interphalangeal Joint 3

A ginglymoid (hinge) synovial joint within the third digit of the hand or foot connecting the proximal and middle phalanges.


nasal cartilage

One of the cartilage structures in the nose that provide form and support[WP].


Interosseous Vein

One of two deep veins (anterior or posterior) that run parallel to their corresponding artery in the forearm to drain the wrist and hand.


acetabular part of hip bone

The acetabulum is a concave surface of the pelvis. The head of the femur meets with the pelvis at the acetabulum, forming the hip joint. There are three bones of the os coxae (hip bone) that come together to form the acetabulum. Contributing a little more than two-fifths of the structure is the ischium, which provides lower and side boundaries to the acetabulum. The ilium forms the upper boundary, providing a little less than two-fifths of the structure of the acetabulum. The rest is formed by the pubis, near the midline. It is bounded by a prominent uneven rim, which is thick and strong above, and serves for the attachment of the acetabular labrum, which reduces its opening, and deepens the surface for formation of the hip joint. At the lower part of the acetabulum is the acetabular notch, which is continuous with a circular depression, the acetabular fossa, at the bottom of the cavity of the acetabulum. The rest of the acetabulum is formed by a curved, crescent-moon shaped surface, the lunate surface, where the joint is made with the head of the femur. Its counterpart in the pectoral girdle is the glenoid fossa.[WP,unvetted].


Microanatomic Structure

Those anatomic structures that are generally only visible through the use of microscopy.


Upper extremity part

Any component of the region of the body that includes the arm, the forearm, and hand.


Metatarsophalangeal Joint 5

A condyloid synovial joint within the fifth digit of the foot connecting metatarsal with the proximal phalanx.


Structure of valve of coronary sinus

A thin, crescent-shaped fold of the endocardium at the orifice of the coronary sinus into the right atrium.


Structure of epitrochlear lymph node

A lymph node located above and adjacent to the elbow.


Colon Lymph Node

Any lymph node within the colon.


Interphalangeal Joint 2

A ginglymoid (hinge) synovial joint between the phalanges of the second digit of the hand or foot.


Urinary System Part

Any component of the organs involved in the creation and excretion of urine.


Portal Vein Bifurcation

The portion of the distal end of the main portal vein that branches into the left and right portal veins.


Carpometacarpal Joint 3

A plane joint between the third metacarpal and the capitate.


Salivary serous gland

Salivary glands that produce and secrete a saliva made up exclusively of a pale-yellow transparent fluid containing amylase.


manual digit 5

5th digit of the manus.


right kidney

A kidney that is part of a right side of organism [Automatically generated definition].


Suprapubic Skin

The skin above the pubic area.


atlanto-axial joint

The Atlanto-axial joint is of a complicated nature, comprising no fewer than four distinct joints. There is a pivot articulation between the odontoid process of the axis and the ring formed by the anterior arch and the transverse ligament of the atlas.


pubic symphysis

The firm fibrocartilaginous joint in the median plane between the two opposing surfaces of the pubic bones, which are united by an interpubic disc of fibrocartilage as well as the superior and arcuate pubic ligaments.


heart left ventricle

A cardiac ventricle that is in the left side of the heart.


Skin Fluid or Secretion

Secretions of the skin.


crista ampullaris

The crista ampullaris is the sensory organ of rotation located in the semicircular canal of the inner ear. The function of the crista ampullaris is to sense angular acceleration and deceleration.


lingual nerve

The lingual nerve is a branch of the mandibular nerve (CN V3), itself a branch of the trigeminal nerve, which supplies sensory innervation to the tongue. It also carries fibers from the facial nerve, which return taste information from the anterior two thirds of the tongue.


saccule of membranous labyrinth

The smaller of the two otolith organs in the vestibule.


Structure of parotid lymph node

A lymph node located close to, on, or within the parotid gland.


Lateral Ligament of the Liver

Either of the two triangular ligaments (left or right) extending from the diaphragm to the liver.


Seromucous Salivary Gland

A gland of the mouth that produces both serous fluid and mucous.


lacrimal nerve

The lacrimal nerve is the smallest of the three branches of the ophthalmic division of the trigeminal nerve.


Medial meniscus structure

A semicircular meniscus located towards the inner aspect of the knee joint.


meningeal dura mater

The inner layer of the dura mater surrounding the brain. It is mostly fused with the outer layer, the endocranium that is adherent to the inner aspect of the cranial bones. These two layers form the dura mater. The latter covers and protects the brain and the spinal cord.


Interphalangeal Joint 4 of the Foot

A ginglymoid (hinge) synovial joint between the phalanges of the fourth digit of the foot.


broad ligament of uterus

A broad fold of peritoneum that extends from the side of the uterus to the wall of the pelvis.


Posterior Ulnar Vein

A vein that ascends on the posterior surface of the ulnar side of the forearm to drain the palm of the hand. The posterior ulnar vein either unites with the anterior ulnar vein to form the common ulnar vein or with the median basilic vein to form the basilic vein.


Nearest Joint

The anatomical joint in closest proximity to the entity or object of interest.


Proximal Interphalangeal Joint 5 of the Foot

A ginglymoid (hinge) synovial joint within the fifth digit of the foot connecting the proximal and middle phalanges.


Polyovular Follicle

An ovarian follicle that contains more than one oocyte.


Autonomic Nervous System Part

Any component of the sympathetic or parasympathetic nervous system.


Lymph Node of Inguinal Region or Leg

Any lymph node that is located in the inguinal region or in either leg.


Metatarsophalangeal Joint 2

A condyloid synovial joint within the second digit of the foot connecting metatarsal with the proximal phalanx.


Common femoral vein

A vein that accompanies the common femoral artery and is formed by the confluence of the femoral vein and the deep femoral vein.


Musculoskeletal System Part

Any component of the system of muscles, tendons, ligaments, bones, joints and associated tissues that move the body and maintain its form.


Capitate-Lunate Joint

The articulation of the capitate and lunate bones in the wrist.


Skin of the Infrascapular Region

The integument that covers the region of the back, lateral to the vertebral region and below the scapula.


ophthalmic nerve

The sensory nerve subdivision of the trigeminal nerve that transmits sensory information from the orbit and its contents, the nasal cavity and the skin of the nose and forehead.


Proximal Interphalangeal Joint 4

A ginglymoid (hinge) synovial joint within the fourth digit of the hand or foot connecting the proximal and middle phalanges.


limb segment

A major subdivision of a mature or developing limb, including both skeletal elements (or the mesenchyme that gives rise to the skeletal elements) and associated tissues, such as muscle, connective tissue, integument. Examples: autopod region, zeugopod region, stylopod region, metapodial region, arm region. Excludes the limb girdles.


Structure of anatomic arteriovenous anastomosis

A direct linkage between an artery and a vein.


regional part of nervous system

Any part or collection of parts of the central or peripheral nervous system. Parts may span both CNS and PNS.


flat bone

A bone that is shaped as a broad flat plate and composed of two thin layers of compact tissue enclosing between them a variable quantity of cancellous tissue, which is the location of red bone marrow.


Median Vein

A vein originating in the thumb that ascends the forearm and branches into the median basilic and median cephalic veins at the elbow.


Lymph node of aortopulmonary window

A lymph node located in the aortopulmonary window.


urogenital diaphragm

Muscular components of the deep perineal pouch.


Neuroendocrine Cells

An endocrine cell that produces and releases hormones and regulatory proteins such as neurotransmitters and neuropeptide hormones. This type of cell enables autocrine communication with paracrine and endocrine cells throughout the body.


Venous Plasma

Plasma that has been isolated from venous blood.


Regional lymph node

A lymph node that drains lymph from a region of interest.


Structure of esophageal lymph node

Any lymph node located near the esophagus, including cervical, and upper, middle, and lower thoracic lymph nodes.


proximal epiphysis of tibia

A proximal epiphysis that is part of a tibia.


Metacarpophalangeal Joint 4

A condyloid synovial joint within the fourth digit of the hand connecting the metacarpal to the proximal phalanx.


Aortoiliac Artery Segment

The segment of the arterial system that includes the iliac artery and its origin from the aorta.


Precentral cerebellar vein

A vein that arises from the precentral cerebellar fissure and terminates in the great central vein.


Anular ligament of radius

A ligament that surrounds the head of the radius.


Cortical Vein

Any vein within the cortex of the brain.


inferior parathyroid gland

Either of two paired parathyroid glands distal to the head.


Left brachiocephalic vein

A vein in the upper chest on the left side of the body that joins with the right innominate vein to form the superior vena cava.


Perifacial Lymph Node

A lymph node that is located above the mandibular margin of the submandibular triangle and is associated with the anterior facial vein and facial artery.


Structure of posterior cricoarytenoid ligament

A fibrous band extending from the cricoid to the inner, posterior border of the arytenoid cartilage.


Femoral lymph node group

A lymph node located in the upper inner portion of the thigh.


gray matter of spinal cord

The ridge-shaped grey matter of the spinal cord that extends longitudunally through the center of each half of the spinal cord, and are largely or entirely composed of nerve cell bodies and their dendrites and some supportive tissue.


paraurethral gland

The numerous mucous-secreting glands found in several female mammalian species (including rodents and humans) on the anterior wall of the vagina, around the lower end of the urethra, and possessing a common paraurethral duct which opens (on each side) near the external urethral orifice; they are homologous with the prostate gland in males, have highly variable anatomy, and are believed to be the source of the female ejaculate, a lubricating fluid with a similar consistency to male prostatic fluid that is expelled through the urethra during sexual stimulation; like the male prostate, these glands are susceptible to infection (skenitis), cyst development, and cancer.


organism subdivision

Anatomical structure which is a subdivision of a whole organism, consisting of components of multiple anatomical systems, largely surrounded by a contiguous region of integument.


Heart part

Any component of the organ which receives blood from the veins and ejects it into the arteries.


Digestive System Part

A term that refers to any anatomic structure that is part of the digestive system.


Structure of prelaryngeal lymph node

A lymph node located anterior to the larynx.


Skin structure of lower extremity

The integumentary covering of the lower extremities.


celiac ganglion

The celiac ganglia are two large irregularly shaped masses of nerve tissue in the upper abdomen. Part of the sympathetic subdivision of the autonomic nervous system (ANS), the two celiac ganglia are the largest ganglia in the ANS, and they innervate most of the digestive tract. They have the appearance of lymph glands and are placed on either side of the midline in front of the crura of the diaphragm, close to the suprarenal glands (also called adrenal glands). The ganglion on the right side is placed behind the inferior vena cava. They are sometimes referred to as the semilunar ganglia or the solar ganglia. [WP,unvetted].


Hepatoportal lymph node

A lymph node located in the transverse fissure of the liver.


Tibioperoneal Arterial Trunk

An arterial trunk that contains parts of the posterior tibial artery and fibular artery.


Intrahepatic Portion of the Right Hepatic Duct

The section of the right hepatic duct located in the liver.


Pararectal lymph node group

A lymph node that is located in the connective tissue adjacent to the rectum.


Paralaryngeal Lymph Node

A lymph node located adjacent to the larynx, in the parapharyngeal space.


thoracic ganglion

The thoracic ganglia are paravertebral ganglia. The thoracic portion of the sympathetic trunk typically has 12 thoracic ganglia. Emerging from the ganglia are thoracic splancic nerves (the cardiopulmonary, the greater, lesser, and least splanchic nerves) that help provide sympathetic innervation to abdominal structures. Also, the ganglia of the thoracic sympathetic trunk have both white and gray rami communicantes. The white rami carry sympathetic fibers arising in the spinal cord into the sympathetic trunk. [WP,unvetted].


Skin structure of chin

The integumentary covering of the chin.


mandibular nerve

The motor and sensory nerve subdivision of the trigeminal nerve that transmits sensory information from the auricle, the external acoustic meatus, tympanic membrane, temporal region, the cheek, the skin overlying the mandible, the anterior portion of the tongue, the floor of the mouth, lower teeth and gingiva and transmits motor information from the muscles of mastication, the mylohyoid muscle and digastric muscle and the muscles tensor tympani and tensor veli palatini.


right ear

The organ of hearing located on the right side of the head.


left ureter

An ureter that is part of a left side of organism [Automatically generated definition].


Internal Occipital Vein

A group of veins that drain the infero-internal portion of the occipital lobe into the vein of Galen.


Structure of anal gland

Paired glands located on either side of the anus of most carnivores that secrete a noxious-smelling liquid, thus allowing members of the same species to identify one another.


regional part of spinal cord

A multi-tissue structure that is part of a spinal cord.


Uterine adnexae structure

The accessory structures of the uterus, including the ovaries, fallopian tubes, broad ligament, and the ovarian and uterine ligaments.


Skin part

Any component of the organ that constitutes the external surface of the body, including the epidermis, dermis, and skin appendages.


Scaphoid-Trapezoid Joint

The articulation of the scaphoid and trapezoid bones in the wrist.


long bone

A long bone is a bone that has a shaft and 2 ends and is longer than it is wide. Long bones have a thick outside layer of compact bone and an inner medullary cavity containing bone marrow.  The ends of a long bone contain spongy bone and an epiphyseal plate or line depending on the stage of development. The epiphyseal plate is a hyaline cartilage, where new bone growth takes place, lengthening the bone prior to adulthood. Bone lengthening ceases when this cartilage is lost, leaving a remnant referred to as an epiphyseal line.


Splenic Lymph Node

Any lymph node located along the splenic artery that receives afferent drainage from the pancreas, spleen, and stomach, and which generally has their efferents join the celiac group of preaortic lymph nodes.


mucoid tissue

Loose connective tissue, the intercellular matrix of which consists predominantly of mucoid ground substance. Examples: Mucoid tissue of umbilical cord, mucoid tissue of vitreous body, mucoid tissue of nucleus pulposus.


Endocrine Testis

The part of the testis that produces testosterone.


Interphalangeal Joint 3 of the Foot

A ginglymoid (hinge) synovial joint between the phalanges of the third digit of the foot.


Internal mammary lymph node group

Any of the lymph nodes located within the breast parenchyma.


Atrioventricular valve

One of two valves in the heart situated between the atria and ventricles, including the mitral valve and the tricuspid valve.


parietal pleura

The outer serous membrane of the pulmonary pleural.


blood vessel external elastic membrane

A thin layer of fibrous tissue capable of stretching and contracting. It is part of the tunica media of the blood vessels.


manual digit 4

4th digit of the manus.


Lymph Node of Head, Face and Neck

Lymph nodes found within the head and neck region of the body, which drain into the deep cervical nodes, either directly or indirectly. These include the occipital, mastoid, parotid, facial, retropharyngeal, submandibular, submental, lingual and cervical lymph nodes. Any lymph node located in the head or neck.


nasal septum

The nasal septum separates the left and right airways in the nose, dividing the two nostrils. It is depressed by the Depressor septi nasi muscle. [WP,unvetted].


pancreatic acinus

The secretory units of the exocrine pancreas, where fluid containing digestive enzymes is produced; consists of a group of secretory cells surrounding a luminal space that connects to the pancreatic duct.


Interphalangeal Joint 5 of the Foot

A ginglymoid (hinge) synovial joint between the phalanges of the fifth digit of the foot.


Distal Interphalangeal Joint 3 of the Hand

A ginglymoid (hinge) synovial joint within the third digit of the hand connecting the middle and distal phalanges.


Scaphoid-Lunate-Capitate Joint

A condyloid synovial joint within the wrist connecting the scaphoid, lunate, and capitate bones.


Salivary mucous gland

Salivary glands that produce and secrete a saliva made up exclusively of mucous.


tonsillar pillar

The anterior and posterior borders of the tonsillar fossa. They are composed of muscle tissue.


Epithelium Part

Any component of the avascular cellular layers that cover body surfaces and cavities and may form glands.


Endocrine Ovary

The part of the ovary that produces hormones, mainly estrogen and progesterone, though small amounts of androgens and other protein hormones are also produced.


Neck Lymph Node Boundary Level IV

The following anatomical structures define the neck lymph node boundary for level IV: Superior: horizontal plane defined by the inferior border of the cricoid cartilage; inferior: clavicle; anterior (medial): lateral border of the sternohyoid muscle; posterior (lateral): lateral border of the sternocleidomastoid or sensory branches of the cervical plexus. (AJCC 8th ed.)


Paratracheal lymph node group

A lymph node located adjacent to the trachea within the mediastinum. (NCI)


Skin of the Bending Joint

The integument that covers the bending joints.


Neck Lymph Node Boundary Sublevel IB

The following anatomical structures define the neck lymph node boundary for sublevel IB: Superior: body of the mandible; inferior: posterior belly of the digastric muscle; anterior (medial): anterior belly of the digastric muscle; posterior (lateral): stylohyoid muscle. (AJCC 8th ed.)


nasociliary nerve

A branch of the ophthalmic nerve that serves to supply the mucous membrane of the nose, the tip of the nose, and the conjunctiva.


Structure of splenic lymph node

A lymph node located in the hilar region of the spleen.


Level III axillary lymph node

Axillary lymph nodes located superomedial to pectoralis minor.


conceptus

The embryo and its adnexa (appendages or adjunct parts) or associated membranes (i.e. the products of conception) The conceptus includes all structures that develop from the zygote, both embryonic and extraembryonic. It includes the embryo as well as the embryonic part of the placenta and its associated membranes - amnion, chorion (gestational sac), and yolk sac[WP].


Structure of thalamostriate vein

Either of two veins including the inferior and superior thalamostriate veins within the thalamus and striatum.


Neck Lymph Node Boundary Level VI

The following anatomical structures define the neck lymph node boundary for level VI: Superior: hyoid bone; inferior: suprasternal notch; anterior (medial): common carotid artery; posterior (lateral): common carotid artery. (AJCC 8th ed.)


cortex of lymph node

Peripheral portion of the lymph node, underneath the capsule[WP].


Lower extremity part

Any component of the hip, thigh, leg and foot.


Skin of the Sole

The integument that covers the underside of the foot.


diaphysis of radius

A diaphysis that is part of a radius bone[Automatically generated definition].


Structure of facial nerve marginal mandibular branch

A branch of the facial nerve that innervates the musculature of the lower lip.


body of lateral ventricle

Part of lateral ventricle consisting of the central portion that lies dorsally, bounded by the thalamus on the ventral side (Adapted from Heimer, 1996).


Structure of left seminal vesicle

The seminal gland that is located to the anatomical left of the bladder.


Pectoral lymph node group

An axillary lymph node located along the lower edge of the pectoralis minor.


Proximal Interphalangeal Joint 2

A ginglymoid (hinge) synovial joint within the second digit of the hand or foot connecting the proximal and middle phalanges.


Subsegmental Bronchus of Left Lung

A part the bronchial tree of the left lung, an air passage arising from any segmental bronchus of the left lung and passing to the naturally delimited part of lung segment (subsegment), where it further subdivides into smaller passages.


Proximal Interphalangeal Joint 5

A ginglymoid (hinge) synovial joint within the fifth digit of the hand or foot connecting the proximal and middle phalanges.


Left Lower Forearm

The distal half of the left upper limb between the elbow and the wrist.


golgi tendon organ

The sensory organ in muscle that is involved in regulating muscle tension.


brain ventricle

One of the system of communicating cavities in the brain that are continuous with the central canal of the spinal cord, that like it are derived from the medullary canal of the embryo, that are lined with an epithelial ependyma, and that contain a serous fluid.


Structure of medial collateral ligament of knee joint

The flat, broad band of fibrous tissue located posteriorly on the inner side of the knee, extending from the medial epicondyle of the femur to the medial margin and surface of the tibia to prevent the knee from moving medially.


Superior Maxillary Nerve

The second division of the fifth cranial nerve, the trigeminal nerve, which supplies sensory fibers to all structures in and around the maxillary bone and the midfacial region.


Joint by Site

A grouping of joints based on their anatomical location.


Reproductive System Part

Any component of the male or female organs and tissues involved in the production and maturation of gametes and in their union and subsequent development as offspring.


Endocrine Reproductive Tissue

Tissue from reproductive organs within the endocrine system.


Proximal Interphalangeal Joint 2 of the Foot

A ginglymoid (hinge) synovial joint within the second digit of the foot connecting the proximal and middle phalanges.


Internal Lateral Ankle Ligament

A flat, triangular fibrous tissue connected to the inner malleolus, navicular bone and ligament, os calcis and astragalus.


Small Intestinal Serosal Surface

The thin outermost layer of loose connective tissue covering the outer surface of the small intestine. It is derived from the peritoneum.


upper eyelid

The larger thin membrane of skin extending from above the orbit and that covers a great portion of the eye.


Tissue Part

Any component of the anatomical structure consisting of similarly specialized cells and intercellular matrix, aggregated according to genetically determined spatial relationships, performing a specific function.


Interval Lymph Node

One of the nodes that lie along the course of a lymphatic vessel between a primary melanoma site and a recognized node field. (from Medscape)


Carpometacarpal Joint 5

A plane joint between the fifth metacarpal and the pisiform.


lower eyelid

The small thin membrane of skin extending from below the orbit and that covers the bottom portion of the eye.


Proximal Interphalangeal Joint 3 of the Hand

A ginglymoid (hinge) synovial joint within the third digit of the hand connecting the proximal and middle phalanges.


Round Ligament

Any of the round ligaments including the round ligament of the liver and the round ligament of the uterus.


amphiarthrosis

Amphiarthrosis is a type of continuous, slightly movable joint.


Scaphoid-Lunate Joint

The articulation of the scaphoid and lunate bones in the wrist.


Basal Cerebral Vein of Rosenthal

A large blood vessel formed by the anterior and deep middle cerebral veins and small branches from the insula and cerebral peduncles which receives tributaries from the temporal horn and the medial temporal lobe and is joined by the inferior striate veins. This vessel may also receive blood from the lateral mesencephalic vein and empties into the vein of Galen.


lumbar nerve plexus

A nervous plexus in the lumbar region of the body which forms part of the lumbosacral plexus.


Neck Lymph Node Boundary Sublevel IIB

The following anatomical structures define the neck lymph node boundary for sublevel IIB: Superior: skull base; inferior: horizontal plane defined by the inferior body of the hyoid bone; anterior (medial): vertical plane defined by the spinal accessory nerve; posterior (lateral): lateral border of the sternocleidomastoid muscle. (AJCC 8th ed.)


Skin structure of back

The integumentary covering of the back.


Intracranial Anterior Circulation

A term referring to the brain area that is supplied by both the right and the left internal carotid arteries and their arterial branches.


vestibular nerve

The vestibular nerve is one of the two branches of the Vestibulocochlear nerve (the cochlear nerve being the other). It goes to the semicircular canals via the vestibular ganglion. It receives positional information. Axons of the vestibular nerve synapse in the vestibular nucleus on the lateral floor and wall of the fourth ventricle in the pons and medulla. It arises from bipolar cells in the vestibular ganglion, ganglion of Scarpa, which is situated in the upper part of the outer end of the internal auditory meatus. [WP,unvetted].


Skin Around the Mouth

The skin surrounding the mouth, including the skin of the lip.


right uterine tube

A fallopian tube that is part of a right side of organism [Automatically generated definition].


Distant Lymph Node

A lymph node located distant to the anatomic site of interest.


Structure of organ capsule

The external membranous envelope, typically comprising dense, irregular connective tissue, that encapsulates some organs.


Testicular Tissue

Parenchyma composed of seminiferous tubules embedded in loose connective interstitial tissue. The interstitial tissue contains clusters of testosterone-secreting Leydig cells, collagen and myoid cells.


Structure of peroneal vein

A vein that arises from the plantar veins of the foot, accompanies the peroneal artery, and travels up the back of the leg to join the anterior and posterior tibial veins in forming the popliteal vein on the posterior surface of the knee.


Intrahepatic Large Bile Duct

The larger bile ducts which are located within the liver and drain bile from the smaller peripheral intrahepatic bile ducts into the right and left hepatic ducts.


Right brachiocephalic vein

A short vein in the area of the clavicle on the right side of the body that joins with the left innominate vein to form the superior vena cava.


reproductive organ

An organ involved in reproduction.


External Lateral Ligament of the Ankle

A ligament consisting of three distinct fasciculi including the anterior, middle and posterior fasciculi.


Iliac vessel

Any of the branches of the vessels arising from the common iliac artery or vein, located in the pelvis.


sacral nerve plexus

A nerve plexus which provides motor and sensory nerves for the posterior thigh, most of the lower leg, the entire foot, and part of the pelvis.


female urethra

A urethra that is part of a female reproductive system.


Skin structure of palmar area of hand

The integument that covers the palms.


Head and Neck Part

Any component associated with of the base of the skull and facial bones, sinuses, orbits, salivary glands, oral cavity, oropharynx, larynx, thyroid, facial and neck musculature and lymph nodes draining these areas.


arytenoid cartilage

The paired triangular laryngeal cartilages located postlaterally at the level of the thyroid cartilage.


Posterior common hepatic lymph node

A lymph node located in the space between the portal vein and inferior vena cava, along the hepatoduodenal ligament.


Right lumbar lymph node group proper

A lymph node located adjacent to the lumbar region of the spine, along the right lateral aspect of the inferior vena cava.


Neuroepithelial Cells

A neural stem cell that can give rise to radial glial progenitor cells which through subsequent divisions may generate neurons or mature glial cells. This may also refer to the specialized sensory epithelial cells of the olfactory, gustatory, and vestibulocochlear receptor systems.


Integumentary system part

Any component of the enveloping membrane of the body, including the epidermis and dermis, and all of the derivatives of the epidermis.


Interphalangeal Joint 4

A ginglymoid (hinge) synovial joint between the phalanges of the fourth digit of the hand or foot.


anterior horn of lateral ventricle

Part of the lateral ventricle that extends anteriorly into the frontal lobes, bordered by the head of the caudate nucleus on the lateral side (Adapted from Heimer, 1996).


right ovary

An ovary that is part of a right side of organism [Automatically generated definition].


Proximal Interphalangeal Joint 4 of the Foot

A ginglymoid (hinge) synovial joint within the fourth digit of the foot connecting the proximal and middle phalanges.


left ear

The organ of hearing located on the left side of the head[ncit,modified].


Laryngeal Mucous Salivary Gland

One of the many muciparous glands within the mucous membrane of the larynx.


Fixed Lymph Node

A lymph node that has reduced mobility or is attached to adjacent structures.


vitreous body

Gelatinous mucoid tissue that is composed of vitreous humor and fills the cavity behind the crystalline lens of the eye and in front of the retina[MP,modified].


left lung alveolus

An alveolus that is part of a left lung [Automatically generated definition].


Female Genital System Fluid or Secretion


vascular system

Anatomical system that consists of all blood and lymph vessels.


Distal Interphalangeal Joint 4 of the Hand

A ginglymoid (hinge) synovial joint within the fourth digit of the hand connecting the middle and distal phalanges.


brain white matter

The regions of the brain that are largely or entirely composed of myelinated nerve cell axons and contain few or no neural cell bodies or dendrites.


Gastrohepatic Lymph Node

A lymph node located in the gastrohepatic ligament.


Costochondral Joint 7

The seventh hyaline cartilaginous joint between the ribs and costal cartilage.


Interphalangeal Joint 3 of the Hand

A ginglymoid (hinge) synovial joint between the phalanges of the third digit of the hand.


Neural Pathways

The route in which a nerve impulse travels through a series of linked axons to connect different regions within the central nervous system or to convey information from the peripheral nervous system to the brain.


Hair Part

Any component of the filamentous outgrowth of the epidermis.


Upper paratracheal lymph node

A lymph node located adjacent to the trachea within the mediastinum, above the inferior margin of the left brachiocephalic vein crossing the trachea on the left and the superior border of the aortic arch on the right.


Epithelial Cells

Any of the cells of the epithelium, which covers the body and lines its cavities and glands.


Regional tree segment of artery

A segment of a blood vessel that is part of the arterial system.


Distal Interphalangeal Joint 2 of the Hand

A ginglymoid (hinge) synovial joint within the second digit of the hand connecting the middle and distal phalanges.


taste bud

A specialized receptor organ that is a collection of cells spanning the gustatory epithelium.


Connective Tissue Fiber

One of three main components of connective tissue (fibers, ground substance and cells), of which there are three types: collagenous (thick bundles of collagen), reticular (thin bundles of collagen), and elastic fibers (branching bundles of elastin).


Glabrous skin

Skin that is naturally hairless.


nerve plexus

Anatomical junction where subdivisions of two or more neural trees interconnect with one another to form a network through which nerve fibers of the constituent nerve trees become regrouped; together with other nerve plexuses, nerves and ganglia, it constitutes the peripheral nervous system. Examples: cervical nerve plexus, brachial nerve plexus, sacral nerve plexus[FMA].


Cardiovascular System Part

A term that refers to individual anatomic parts of the heart or the vessels.


Radial Vein of the Upper Extremity

A vein that ascends on the radial side of the forearm to drain blood from the palm of the hand. The radial vein joins with the median cephalic vein in the elbow to form the cephalic vein.


Interphalangeal Joint 3

A ginglymoid (hinge) synovial joint between the phalanges of the third digit of the hand or foot.


Secretory cell

One of several types of cells that generate and secrete a substance to be used by the organism.


left adrenal gland

An adrenal gland that is in the left side of the abdomen.


Anterior Annular Ligament

A ligament present in the wrist and the ankle. In the wrist it is located over the carpus and in the ankle across the front of the leg and over the joint.


trachea basal lamina

A basal lamina that is part of a respiratory airway [Automatically generated definition].


Structure of great blood vessel (organ)

Any of the major arteries or veins attached to the cardiac atria or ventricles. This includes the aorta, superior and inferior vena cava and the pulmonary arteries and veins.


vertebral bone 1

The first vertebral bone in the vertebral column.


Female Reproductive System Part

Any component of the female organs and tissues involved in the production and maturation of gametes and in their union and subsequent development as offspring.


striated border microvillus layer

A microvillus layer that is striated and found in the intestine.


diaphysis of ulna

The body of the ulna at its upper part is prismatic in form, and curved so as to be convex behind and lateralward; its central part is straight; its lower part is rounded, smooth, and bent a little lateralward. It tapers gradually from above downward, and has three borders and three surfaces.


Structure of scalene lymph node

A lymph node located in proximity to any of the scalene muscles.


parasympathetic ganglion

Ganglion containing neurons that receive innervation from parasympathetic neurons in the central nervous system and subserves parasympathetic functions through innervation of smooth muscle, cardiac muscle and glands.


intercostal nerve

The intercostal nerves are the anterior divisions (rami anteriores; ventral divisions) of the thoracic spinal nerves from T1 to T11. Each nerve is connected with the adjoining ganglion of the sympathetic trunk by a gray and a white ramus communicans. The intercostal nerves are distributed chiefly to the thoracic pleura and abdominal peritoneum and differ from the anterior divisions of the other spinal nerves in that each pursues an independent course without plexus formation. The first two nerves supply fibers to the upper limb in addition to their thoracic branches; the next four are limited in their distribution to the parietes of the thorax; the lower five supply the parietes of the thorax and abdomen. The 7th intercostal nerve terminates at the xyphoid process, at the lower end of the sternum. The 10th intercostal nerve terminates at the umbilicus. The twelfth thoracic is distributed to the abdominal wall and groin. [WP,unvetted].


Metacarpophalangeal Joint 2

A condyloid synovial joint within the second digit of the hand connecting the metacarpal to the proximal phalanx.


Structure of pretracheal lymph node

A lymph node located anterior to the trachea, between the isthmus of the thyroid gland and the innominate vein.


Peripheral Nervous System Part

Any component of the nervous system that is external to the brain and spinal cord.


right lung alveolus

An alveolus that is part of a right lung [Automatically generated definition].


diaphysis of femur

A diaphysis that is part of a femur[Automatically generated definition].


costal cartilage

The nonvascular, resilient, flexible hyaline connective tissue that connects the end of a true rib to the sternum or the end of a false rib with the with the lower border of the costal cartilage above it.


Renal Tissue

Tissue composed of the renal cortex and the renal medulla. The basic functional unit of renal tissue is the nephron.


Structure of submental lymph node

The lymph nodes located between the anterior bellies of the digastric muscles.


Nerve Tissue, Neuroepithelial Tissue, and Nerve Sheaths

The basic components of the nervous system.  They contain neurons, supporting cells, and neuroepithelial cells.


neural nucleus

A spatially aggregated collection of nerve cell bodies in the CNS, consisting of one or more subpopulations that share cell type, chemical phenotype, and connections, and including nearby cells that share the same cell type, chemical phenotype, and connections. (CUMBO).


Breast part

Any anatomic component of one or both breasts.


anal sac

In carnivores, either of two sacs found between the internal and external anal sphincters, lined with sebaceous glands and in some species with apocrine glands.


heart right ventricle

A cardiac ventricle that is in the right side of the heart.


Subsegmental bronchus

A part the bronchial tree, an air passage arising from the segmental bronchus and passing to the naturally delimited part of lung segment (subsegment), where it further subdivides into smaller passages.


Eye part

Any component associated with the organ for sight or vision.


Scaphoid-Capitate Joint

A condyloid synovial joint within the wrist connecting the scaphoid bone to the capitate bone.


prostate gland secretion

A bodily secretion that is produced by the prostate gland.


Membrane of the Brain or Spinal Cord

The tissue that envelops the brain or spinal cord.


medial palpebral ligament

The medial palpebral ligament (tendo oculi), about 4 mm. in length and 2 mm. in breadth, is attached to the frontal process of the maxilla in front of the lacrimal groove. Crossing the lacrimal sac, it divides into two parts, upper and lower, each attached to the medial end of the corresponding tarsus. As the ligament crosses the lacrimal sac, a strong aponeurotic is given off from its posterior surface; this expands over the sac, and is attached to the posterior lacrimal crest.


Cervical sympathetic ganglion

Any one of the three sympathetic ganglia of the cervical vertebrae.


Structure of buccinator lymph node

A lymph node that is located superficial to the buccinator muscle.


Distal Interphalangeal Joint 5 of the Foot

A ginglymoid (hinge) synovial joint within the fifth digit of the foot connecting the middle and distal phalanges.


Structure of both eyes

Of or pertaining to both the left and right eyes,


bulbourethral gland secretion

A bodily secretion that is produced by a bulbourethral gland.


Right Lower Forearm

The distal half of the right upper limb between the elbow and the wrist.


esophagus muscularis mucosa

A muscularis mucosa that is part of a esophagus.


Capillary Plasma

Plasma that has been isolated from capillary blood.


Sentinel Lymph Node

The first lymph node that is affected by cancer spread from the primary site.  Sentinel lymph node biopsy is part of the staging work-up to determine early metastasis to regional lymph nodes in patients with breast carcinoma or melanoma.


Intrathyroidal Parathyroid

A parathyroid gland embedded within the thyroid gland parenchyma.


bone element

Skeletal element that is composed of bone tissue.


Distal Interphalangeal Joint 5 of the Hand

A ginglymoid (hinge) synovial joint within the fifth digit of the hand connecting the middle and distal phalanges.


Presacral Lymph Node

A lymph node that is located in the mesorectum, between the rectum and the sacrum.


Flexural Skin

A crease in the skin on the flexor side of a joint.


Skin structure of inguinal region

The integument that covers the inguinal region.


gland

An organ that functions as a secretory or excretory organ.


Metatarsophalangeal Joint 4

A condyloid synovial joint within the fourth digit of the foot connecting metatarsal with the proximal phalanx.


Occipital part of scalp

The occipital region of the skin that covers the top of the head.


anatomical cavity

Anatomical space which contains portions of one or more body substances and is bounded by the internal surface of one maximally connected anatomical structure. Examples: cranial cavity, pharyngeal recess space, nasal cavity, tooth socket, cavity of serous sac, lumen of stomach, lumen of artery, fornix of vagina.


trachea cartilage

The ring-shaped cartilaginous structures that support the trachea.


Upper Cervical Lymph Node

A lymph node located in the upper region of the neck. (NCI)


Neck Lymph Node Boundary Level III

The following anatomical structures define the neck lymph node boundary for level III: Superior: horizontal plane defined by the inferior body of the hyoid; inferior: horizontal plane defined by the inferior border of the cricoid cartilage; anterior (medial): lateral border of the sternohyoid muscle; posterior (lateral): lateral border of the sternocleidomastoid or sensory branches of the cervical plexus. (AJCC 8th ed.)


Ectodermal cell

An embryonic cell of the outer layer of three germ layers. These cells give rise to the epidermis and neural tissue.


Sublingual Lymph Node

A lymph node located under the tongue in the floor of the mouth.


Pericardial lymph node

A lymph node located anterior to the pericardium, posterior to the xiphoid process, and in the right and left cardiophrenic fat.


Metatarsophalangeal Joint 3

A condyloid synovial joint within the third digit of the foot connecting metatarsal with the proximal phalanx.


digit

A subdivision of the autopod that has as part a series of phalanges together with associated vasculature, musculature, integument and nerves. It is continuous with the metapodial subdivision of the autopod, but does not include the metapodials. In species such as humans, fully formed digits are distinct, whereas in other species the digits may be connected by interdigital webbing, or may be completely unseparated (for example, in cetaceans).


Median Or Lower Cervical Lymph Node

A lymph node located in the median or lower region of the neck. (NCI)


Level II axillary lymph node

Axillary lymph nodes located posterior to the pectoralis minor.


posterior horn lateral ventricle

Part of the lateral ventricle that extends posteriorly into the occipital lobe.


Lower Gastrointestinal Tract Lymph Node

Any lymph node within the lower gastrointestinal tract.


intervertebral joint

The joint between adjacent vertebral bodies. May be composed of the nucleus pulposus, annular ligament, and the anterior and posterior longitudinal ligaments.


cartilage of external ear

A cartilage that is part of a external ear [Automatically generated definition].


Trapezoid-Capitate Joint

The articulation of the trapezoid and capitate bones in the wrist.


dorsal cochlear nucleus

The dorsal cochlear nucleus (DCN, also known as the 'tuberculum acousticum'), is a cortex-like structure on the dorso-lateral surface of the brainstem. Along with the ventral cochlear nucleus, it forms the cochlear nucleus, where all auditory nerve fibers from the cochlea form their first synapses. [WP,unvetted].


submandibular ganglion

The ganglion associated with the lingual nerve that provides postsynaptic fibers to the submandibular and sublingual glands.


Perihilar Lymph Node

A lymph node located in the area around the hilum of an organ.


manual digit 3

3rd digit of the manus.


Structure of superior anastomotic vein

A vein originating at the parietal lobe that runs along the horizontal portion of the fissure of Sylvius and opens into the cavernous sinus.


alveolus

Organ part that has the form of a hollow cavity[WP].


Gland of Zeis

The small glands located within the epidermis of the eyelid that produce and secrete an oily substance that lubricates the eyelashes.


Nuchal Lymph Node

Any lymph node located in the posterior of the neck, including the postauricular, superficial occipital, middle posterior cervical chain, and lower posterior cervical chain.


humerus diaphysis

The body or shaft of the humerus is almost cylindrical in the upper half of its extent, prismatic and flattened below, and has three borders and three surfaces.


ligamentum flavum

The fibrous tissues connecting the laminae of neighboring vertebrae beginning at C2 and ending at S1.


Skin structure of upper limb

The integumentary covering of the upper extremities.


Basal Tear

A type of tear that is spread across the surface of the eye at regular intervals with blinking, coating the eyes to keep them moist.


thyroid cartilage

The largest of the laryngeal cartilages.


Proximal Interphalangeal Joint 5 of the Hand

A ginglymoid (hinge) synovial joint within the fifth digit of the hand connecting the proximal and middle phalanges.


Meningeal Nerve

A branch of the maxillary nerve (CN V2) that innervates the meninges.


right adrenal gland

An adrenal gland that is in the right side of the abdomen.


proximal epiphysis of fibula

A proximal epiphysis that is part of a fibula.


Radius-Lunate Joint

The articulation of the radius and the lunate bone in the wrist.


spinal nerve plexus

An intermingling of fiber fascicles from adjacent spinal nerves to form a network.


Proximal Interphalangeal Joint 2 of the Hand

A ginglymoid (hinge) synovial joint within the second digit of the hand connecting the proximal and middle phalanges.


Regional segment of venous tree

A segment of a blood vessel that is part of the venous system.


left eye

An eye that is part of a left side of organism [Automatically generated definition].


frontal nerve (branch of ophthalmic)

The frontal nerve is the largest branch of the ophthalmic, and may be regarded, both from its size and direction, as the continuation of the nerve. It enters the orbit through the supraorbital foramen, and runs forward between the Levator palpebræ superioris and the periosteum. Midway between the apex and base of the orbit it divides into two branches, supratrochlear nerve and supraorbital nerve. [WP,unvetted].


bronchus basal lamina

A basal lamina that is part of a bronchus [Automatically generated definition].


Interphalangeal Joint 4 of the Hand

A ginglymoid (hinge) synovial joint between the phalanges of the fourth digit of the hand.


Scaphoid-Radius Joint

The articulation of the radius and the scaphoid bone in the wrist.


Serosal Surface of the Liver

The membrane lining the external surface of the liver.


Interphalangeal Joint 2 of the Foot

A ginglymoid (hinge) synovial joint between the phalanges of the second digit of the foot.


Ear part

Any component pertaining to the organ for hearing including the external, middle, and inner ear.


External Canal

A tube extending from the middle ear to the outer ear.


mediastinal pleura

The parietal pleura that lines the mediastinum.


anterior semicircular canal

One of the three semicircular canals found in the osseous labyrinth of the inner ear, which detects rotation of the head around a rostral-caudal (anterior-posterior) axis.


Distal Interphalangeal Joint 3 of the Foot

A ginglymoid (hinge) synovial joint within the third digit of the foot connecting the middle and distal phalanges.