title: [Ultrastructural changes in the wall of the umbilical vein of rats exposed to progesterone].
mesh_terms: D000818:Animals; D000831:Animals, Newborn; D004727:Endothelium / Q000187:drug effects / Q000648:ultrastructure; D005260:Female; D009131:Muscle, Smooth, Vascular / Q000187:drug effects / Q000648:ultrastructure; D011247:Pregnancy; D011374:Progesterone / Q000633:toxicity*; D051381:Rats; D014471:Umbilical Veins / Q000187:drug effects* / Q000648:ultrastructure
chemical_list: D011374:Progesterone
vernacular_title: Ultrastrukturni izmeneniia v stenata na pŭpnata vena u plŭkh pri vŭzdeĭstvie s progesteron.