title: Age effects on the hypothalamic-pituitary-gonadal control system in the rat.
mesh_terms: D000375:Aging; D000818:Animals; D002369:Castration; D006063:Chorionic Gonadotropin / Q000494:pharmacology; D005260:Female; D006801:Humans; D007030:Hypothalamo-Hypophyseal System / Q000254:growth & development* / Q000502:physiology; D007986:Luteinizing Hormone / Q000378:metabolism; D008297:Male; D010053:Ovary / Q000254:growth & development* / Q000502:physiology; D051381:Rats; D012098:Reproduction; D013737:Testis / Q000254:growth & development* / Q000502:physiology; D013739:Testosterone / Q000097:blood
chemical_list: D006063:Chorionic Gonadotropin; D013739:Testosterone; D007986:Luteinizing Hormone