title: Neuroendocrine status of old constant-estrous rats.
mesh_terms: D000367:Age Factors; D000818:Animals; D004971:Estrus; D005260:Female; D005640:Follicle Stimulating Hormone / Q000032:analysis / Q000378:metabolism; D007030:Hypothalamo-Hypophyseal System / Q000502:physiology*; D007031:Hypothalamus / Q000032:analysis / Q000502:physiology*; D007986:Luteinizing Hormone / Q000378:metabolism; D009929:Organ Size; D010053:Ovary / Q000033:anatomy & histology; D010902:Pituitary Gland / Q000032:analysis / Q000033:anatomy & histology / Q000502:physiology*; D010906:Pituitary Hormone-Releasing Hormones / Q000032:analysis; D011247:Pregnancy; D011388:Prolactin / Q000378:metabolism; D051381:Rats; D014599:Uterus / Q000033:anatomy & histology
chemical_list: D010906:Pituitary Hormone-Releasing Hormones; D011388:Prolactin; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone