title: Follicular and plasma patterns of steroids in young and old rats during normal and prolonged estrous cycles.
mesh_terms: D000375:Aging; D000735:Androstenedione / Q000378:metabolism; D000818:Animals; D003687:Dehydroepiandrosterone / Q000378:metabolism; D004958:Estradiol / Q000378:metabolism; D004970:Estrone / Q000378:metabolism; D004971:Estrus; D005260:Female; D012739:Gonadal Steroid Hormones / Q000097:blood / Q000378:metabolism*; D006080:Ovarian Follicle / Q000378:metabolism*; D011247:Pregnancy; D011374:Progesterone / Q000378:metabolism; D051381:Rats; D013739:Testosterone / Q000378:metabolism
chemical_list: D012739:Gonadal Steroid Hormones; D004970:Estrone; D013739:Testosterone; D000735:Androstenedione; D003687:Dehydroepiandrosterone; D011374:Progesterone; D004958:Estradiol