active chief cell of parathyroid gland
active chief cell of parathyroid gland
"A parathyroid chief cell that is actively secreting hormone. Have large Golgi complexes with numerous vesicles and small membrane-bound granules; secretory granules are rare, cytoplasmic glycogen sparse, much of the cytoplasm being occupied by flat sacs of granular endoplasmic reticulum in parallel arrays; in normal humans, inactive chief cells outnumber active chief cells in a ratio of 3-5:1"