title: Histological and ultrastructural studies on the pineal gland of castrated male and pregnant female of domestic pig.
mesh_terms: D000818:Animals; D002369:Castration; D002415:Cats; D005260:Female; D008297:Male; D010870:Pineal Gland / Q000033:anatomy & histology* / Q000648:ultrastructure; D011247:Pregnancy; D011270:Pregnancy, Animal; D013552:Swine / Q000033:anatomy & histology*