[Re-examination of aging and the hypophyseal-thyroid system].
D000375:Aging; D000818:Animals; D007455:Iodine / Q000378:metabolism; D008297:Male; D010902:Pituitary Gland / Q000502:physiology*; D051381:Rats; D013961:Thyroid Gland / Q000378:metabolism*
D007455:Iodine