title: Mediators of feedback message: estrogens and/or catechol-estrogens?
mesh_terms: D000818:Animals; D002396:Catechols / Q000378:metabolism*; D004967:Estrogens / Q000378:metabolism*; D002393:Estrogens, Catechol; D005246:Feedback; D005260:Female; D006065:Gonadotropins, Pituitary / Q000378:metabolism*; D006801:Humans; D006894:Hydroxyestrones / Q000378:metabolism; D007030:Hypothalamo-Hypophyseal System / Q000502:physiology; D008598:Menstruation; D010053:Ovary / Q000502:physiology; D051381:Rats
chemical_list: D002396:Catechols; D004967:Estrogens; D002393:Estrogens, Catechol; D006065:Gonadotropins, Pituitary; D006894:Hydroxyestrones; C026418:4-hydroxyestrone; C024980:2-hydroxyestrone