title: Metabolism and secretion of androgens by rat seminiferous tubules: tracer superfusion studies.
mesh_terms: D000367:Age Factors; D000735:Androstenedione / Q000378:metabolism / Q000502:physiology*; D000818:Animals; D007700:Kinetics; D008297:Male; D008954:Models, Biological; D051381:Rats; D012671:Seminiferous Tubules / Q000502:physiology*; D012741:Sexual Maturation; D013737:Testis / Q000378:metabolism / Q000502:physiology*; D013739:Testosterone / Q000096:biosynthesis / Q000378:metabolism / Q000502:physiology*
chemical_list: D013739:Testosterone; D000735:Androstenedione