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  • Title: Compensatory hypertrophy in radiothyroidectomized dwarf rats.
    Author: Nagy I, Kurcz M, Kiss C, Do NT.
    Journal: Endokrinologie; 1975 Aug; 65(3):340-7. PubMed ID: 1222738.
    Abstract:
    The aim of the study was to clarify whether growth hormone and thyroid hormones play a role in compensatory organ hypertrophy. Radiothyroidectomized dwarf rats with serious disorder of growth hormone production due to the loss of thyroid function were used in the experiments. As regards growth hormone production these animals may be considered as having been "hypophysectomized". The loss of thyroid function and growth hormone deficiency did not affect the degree of compensatory hypertrophy of the kidney, the adrenal and the gonad. The observation indicates that the hormones under study are not of decisive importance in the mechanism of compensatory organ enlargement. Further investigations are needed to clarify whether organ enlargement in the hypometabolic rat occurring at the level observed in the controls is associated with enhanced function.
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