title: The hypothalamic-pituitary-testicular function of the old rat.
mesh_terms: D000375:Aging; D000818:Animals; D005640:Follicle Stimulating Hormone / Q000032:analysis; D007987:Gonadotropin-Releasing Hormone / Q000032:analysis; D007030:Hypothalamo-Hypophyseal System / Q000032:analysis / Q000502:physiology*; D007986:Luteinizing Hormone / Q000032:analysis; D008297:Male; D010902:Pituitary Gland / Q000032:analysis; D051381:Rats; D013737:Testis / Q000502:physiology*
chemical_list: D007987:Gonadotropin-Releasing Hormone; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone