Progressive age-related increase in pituitary thyrotropin level and T/S iodide ratio in the rat.
D000375:Aging; D000818:Animals; D007454:Iodides; D007456:Iodine Isotopes; D010900:Pituitary Diseases; D010902:Pituitary Gland; D051381:Rats; D013961:Thyroid Gland; D013972:Thyrotropin
D007454:Iodides; D007456:Iodine Isotopes; D013972:Thyrotropin
AGING; IODINE ISOTOPES; THYROID GLAND; THYROTROPIN