title: Steroid biosynthesis by the equine testis.
mesh_terms: D015068:17-Ketosteroids / Q000378:metabolism; D006907:17-alpha-Hydroxypregnenolone / Q000378:metabolism; D000367:Age Factors; D000731:Androstanes / Q000378:metabolism; D000818:Animals; D002247:Carbon Isotopes; D002854:Chromatography, Paper; D002855:Chromatography, Thin Layer; D003687:Dehydroepiandrosterone / Q000378:metabolism; D004958:Estradiol / Q000096:biosynthesis; D004970:Estrone / Q000096:biosynthesis*; D000882:Haplorhini; D006736:Horses / Q000378:metabolism*; D006913:Hydroxysteroid Dehydrogenases / Q000378:metabolism; D066298:In Vitro Techniques; D007985:Leydig Cells / Q000378:metabolism*; D008190:Lyases / Q000378:metabolism; D008297:Male; D051379:Mice; D006899:Mixed Function Oxygenases / Q000378:metabolism; D009249:NADP / Q000378:metabolism; D010828:Physiology, Comparative; D011284:Pregnenolone / Q000378:metabolism; D013737:Testis / Q000201:enzymology / Q000378:metabolism*; D013739:Testosterone / Q000096:biosynthesis* / Q000378:metabolism; D014316:Tritium
chemical_list: D015068:17-Ketosteroids; D000731:Androstanes; D002247:Carbon Isotopes; D014316:Tritium; D004970:Estrone; D006907:17-alpha-Hydroxypregnenolone; D013739:Testosterone; D003687:Dehydroepiandrosterone; D004958:Estradiol; D009249:NADP; D011284:Pregnenolone; D006899:Mixed Function Oxygenases; D006913:Hydroxysteroid Dehydrogenases; D008190:Lyases