Relation of aging to hypothalamic LHRH content and serum gonadal steroids in female rats.
D000375:Aging; D000818:Animals; D004958:Estradiol / Q000097:blood*; D004971:Estrus; D005260:Female; D007987:Gonadotropin-Releasing Hormone / Q000378:metabolism*; D007031:Hypothalamus / Q000378:metabolism*; D007033:Hypothalamus, Middle / Q000378:metabolism; D011247:Pregnancy; D011359:Proestrus; D011374:Progesterone / Q000097:blood*; D011555:Pseudopregnancy; D051381:Rats
D007987:Gonadotropin-Releasing Hormone; D011374:Progesterone; D004958:Estradiol