title: In vitro metabolism of pregnenolone-7-alpha-3H, progesterone-4-14C and androstenedione-4-14C by rat placental tissue.
mesh_terms: D015068:17-Ketosteroids / Q000302:isolation & purification / Q000378:metabolism*; D000731:Androstanes / Q000302:isolation & purification / Q000378:metabolism*; D000818:Animals; D002247:Carbon Isotopes; D002854:Chromatography, Paper; D002855:Chromatography, Thin Layer; D003460:Crystallization; D005260:Female; D066298:In Vitro Techniques; D010920:Placenta / Q000378:metabolism*; D011284:Pregnenolone / Q000378:metabolism*; D011374:Progesterone / Q000378:metabolism*; D011865:Radioisotope Dilution Technique; D051381:Rats; D013261:Sterols / Q000302:isolation & purification; D014316:Tritium
chemical_list: D015068:17-Ketosteroids; D000731:Androstanes; D002247:Carbon Isotopes; D013261:Sterols; D014316:Tritium; D011374:Progesterone; D011284:Pregnenolone