Arias-Stella reaction.
D004714:Endometrial Hyperplasia / Q000473:pathology; D004717:Endometrium / Q000473:pathology; D005321:Extraembryonic Membranes; D005260:Female; D006801:Humans; D011247:Pregnancy; D011271:Pregnancy, Ectopic; D013577:Syndrome; D014626:Vaginal Smears