THE EFFECT OF HYPOPHYSECTOMY ON THE UPTAKE OF RADIOACTIVE IODINE BY THE THYROID OF THE RAT12

Abstract
The effect of hypophysectomy on the thyroidal collection of radioiodine was detd. by an in vivo method following injn. of 1 microcurie of I131. Following hypophysectomy, the rat thyroid collects about 12% as much I as before hypophysectomy. The defective collection of I occurs soon after operation and becomes maximal between 5 and 6 days after operation.