ABSTRACT
It has long been recognised that the testis has an influence upon growth in general, and especially upon the growth of bone. This was the basis for the generalisation formulated by the early observers that growth and reproduction are essentially opposed to one another. Later investigations indicated, however, that the changes produced by castration are not due to the abolishing of spermatogenesis but to the fact that the normal internal secretion of the testis is not available for controlling the growth of bone.
Copyright © 1929 The Company of Biologists Ltd.
1929
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