title: The fetus and birth. General discussion: ultrastructure of the sheep placenta.
mesh_terms: D000315:Adrenalectomy; D000818:Animals; D005260:Female; D005333:Fetus / Q000601:surgery; D006854:Hydrocortisone / Q000494:pharmacology; D007016:Hypophysectomy; D010920:Placenta / Q000187:drug effects / Q000648:ultrastructure*; D011247:Pregnancy; D012756:Sheep / Q000033:anatomy & histology* / Q000601:surgery
chemical_list: D006854:Hydrocortisone