Abstract
Summary
1. Although thyroidectomized adult male rats, having reached a “plateau” in their growth curves, exhibit a small difference in body weight when compared with controls, there is no significant difference in the relative weights of the adrenal glands between the 2 groups. The absolute weights of the right adrenals of the difference. It is concluded, therefore, that thyroidectomy does not cause adrenal atrophy. Evidence for the normal function of adrenal glands of thyroid deficient rats is discussed. 2. The enlarged testes and seminal vesicles of the thyroidectomized rats are in conformity with previous observations that there is an increased sensiivity of the gonads and secondary sex organs of thyroid deficient rats to gonadotrophic hormones.
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