title: Annual cycles in levels of pituitary and plasma gonadotropin, gonadal steroids, and thyroid activity in the Chinese cobra (Naja naja).
mesh_terms: D000818:Animals; D001683:Biological Clocks; D004958:Estradiol / Q000378:metabolism; D005260:Female; D006065:Gonadotropins, Pituitary / Q000378:metabolism; D006066:Gonads / Q000502:physiology*; D008297:Male; D010053:Ovary / Q000502:physiology; D010902:Pituitary Gland / Q000502:physiology*; D011374:Progesterone / Q000378:metabolism; D012621:Seasons; D012911:Snakes / Q000502:physiology*; D013737:Testis / Q000502:physiology; D013739:Testosterone / Q000378:metabolism; D013961:Thyroid Gland / Q000502:physiology*; D013974:Thyroxine / Q000378:metabolism
chemical_list: D006065:Gonadotropins, Pituitary; D013739:Testosterone; D011374:Progesterone; D004958:Estradiol; D013974:Thyroxine