title: Regulation of gonadal steroid rhythms in rats.
mesh_terms: D000315:Adrenalectomy; D000818:Animals; D002369:Castration; D002940:Circadian Rhythm; D013196:Dihydrotestosterone / Q000097:blood; D004343:Drug Implants; D004958:Estradiol / Q000097:blood; D004971:Estrus; D005260:Female; D012739:Gonadal Steroid Hormones / Q000097:blood*; D007987:Gonadotropin-Releasing Hormone / Q000502:physiology; D007032:Hypothalamus, Anterior / Q000502:physiology; D008297:Male; D010053:Ovary / Q000502:physiology; D011247:Pregnancy; D011374:Progesterone / Q000097:blood; D051381:Rats; D013739:Testosterone / Q000097:blood / Q000494:pharmacology
chemical_list: D004343:Drug Implants; D012739:Gonadal Steroid Hormones; D013196:Dihydrotestosterone; D007987:Gonadotropin-Releasing Hormone; D013739:Testosterone; D011374:Progesterone; D004958:Estradiol