title: A study of proliferative activity of the uterine epithelium of the pregnant rat in relation to the morphogenesis of the "new" lumen.
mesh_terms: D000818:Animals; D001345:Autoradiography; D002455:Cell Division; D004848:Epithelium / Q000502:physiology; D005260:Female; D006651:Histocytochemistry; D007274:Injections, Intraperitoneal; D007275:Injections, Intravenous; D011247:Pregnancy; D011270:Pregnancy, Animal; D051381:Rats; D013223:Statistics as Topic; D013936:Thymidine / Q000008:administration & dosage / Q000378:metabolism; D014316:Tritium; D014599:Uterus / Q000502:physiology*
chemical_list: D014316:Tritium; D013936:Thymidine