title: Breakdown of germinal vesicle of frog oocytes with 5alpha-reduced products of progesterone in vitro.
mesh_terms: D000818:Animals; D001001:Anura; D001345:Autoradiography; D002250:Carbon Radioisotopes; D002855:Chromatography, Thin Layer; D005260:Female; D006914:Hydroxysteroids / Q000096:biosynthesis / Q000494:pharmacology; D066298:In Vitro Techniques; D007664:Ketosteroids / Q000096:biosynthesis / Q000494:pharmacology; D010063:Ovum / Q000166:cytology / Q000187:drug effects*; D011277:Pregnanediones / Q000096:biosynthesis / Q000494:pharmacology; D011278:Pregnanes / Q000096:biosynthesis / Q000494:pharmacology; D011374:Progesterone / Q000378:metabolism / Q000494:pharmacology*; D011894:Rana pipiens
chemical_list: D002250:Carbon Radioisotopes; D006914:Hydroxysteroids; D007664:Ketosteroids; D011277:Pregnanediones; D011278:Pregnanes; D011374:Progesterone