Abstract
IT has been known for a long time that the sexual activity and characteristics of the individual depend on the presence of the sexual glands in an actively functioning condition. Their removal or atrophy as in old age leads to loss of sexual vigour together with changes in the secondary sex characters which may result in the development of a neutral individual, or even in the assumption of certain of the characteristics of the opposite sex, according to the species studied.
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Sterility and Rejuvenation. Nature 117, 560–561 (1926). https://doi.org/10.1038/117560a0
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DOI: https://doi.org/10.1038/117560a0