Abstract
Summary
Hypophysectomy in the rat caused invariably in the reticular zone of the adrenal and sometimes in the intertubular spaces of the testis the formation of cells containing yellow pigment granules. The nuclei of the cells usually showed varying degrees of pycnosis or were absent. Gonadotropic hormone prevented or corrected these changes in the testis, but failed to have any apparent effect upon the pigmented structures in the adrenal.
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