title: Studies on the metabolism of steroid hormones and their precursors by the human placenta at various stages of gestation. 3. In vitro metabolism of 3 beta, 17 alpha-dihydroxy-pregn-5-ene-20-one.
mesh_terms: D006907:17-alpha-Hydroxypregnenolone / Q000302:isolation & purification / Q000378:metabolism; D000731:Androstanes / Q000302:isolation & purification; D002854:Chromatography, Paper; D005260:Female; D005865:Gestational Age; D006801:Humans; D006908:Hydroxyprogesterones / Q000302:isolation & purification / Q000378:metabolism; D066298:In Vitro Techniques; D008190:Lyases / Q000378:metabolism; D010920:Placenta / Q000201:enzymology / Q000378:metabolism*; D011247:Pregnancy; D011278:Pregnanes / Q000378:metabolism*; D011284:Pregnenolone / Q000302:isolation & purification / Q000378:metabolism; D011865:Radioisotope Dilution Technique; D014316:Tritium
chemical_list: D000731:Androstanes; D006908:Hydroxyprogesterones; D011278:Pregnanes; D014316:Tritium; D006907:17-alpha-Hydroxypregnenolone; D011284:Pregnenolone; D008190:Lyases