title: Increase by castration of testosterone A ring reductase in the anterior hypophysis of male rat.
mesh_terms: D000731:Androstanes / Q000096:biosynthesis; D000735:Androstenedione / Q000096:biosynthesis; D000818:Animals; D001711:Biotransformation; D002369:Castration; D002854:Chromatography, Paper; D013196:Dihydrotestosterone / Q000096:biosynthesis; D004790:Enzyme Induction; D006913:Hydroxysteroid Dehydrogenases / Q000378:metabolism; D006914:Hydroxysteroids / Q000096:biosynthesis; D008297:Male; D008861:Microsomes / Q000201:enzymology; D010088:Oxidoreductases / Q000378:metabolism*; D010902:Pituitary Gland / Q000201:enzymology* / Q000378:metabolism; D051381:Rats; D013739:Testosterone; D014316:Tritium; D014461:Ultracentrifugation
chemical_list: D000731:Androstanes; D006914:Hydroxysteroids; D013196:Dihydrotestosterone; D014316:Tritium; D013739:Testosterone; D000735:Androstenedione; D010088:Oxidoreductases; D006913:Hydroxysteroid Dehydrogenases