title: [Regulatory mechanism of gonadotropin secretion (3). Negative feedback and biphasic effect of estrogens on gonadotropin].
mesh_terms: D000328:Adult; D000818:Animals; D002369:Castration; D004967:Estrogens / Q000502:physiology*; D005246:Feedback; D005260:Female; D005640:Follicle Stimulating Hormone / Q000097:blood*; D006801:Humans; D007986:Luteinizing Hormone / Q000097:blood*; D008875:Middle Aged; D011374:Progesterone / Q000502:physiology; D051381:Rats
chemical_list: D004967:Estrogens; D011374:Progesterone; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone