preferred_name: Structure of obstetrical canal
preferred_name_lc: structure of obstetrical canal
label: Anatomical conduit, each instance of which consists of some cervix uteri, some vagina and some vulva through which some fetus passes during birth.
label_lc: anatomical conduit, each instance of which consists of some cervix uteri, some vagina and some vulva through which some fetus passes during birth.