Appendix on Hermaphrodism Besides the different types and gradations of hermaphrodism mentioned at the end of the previous chapter, we must refer to that kind of hermaphrodism which occurs if the organochemical substances of both are produced in the same individual.The possibility of this type of cannot be denied, for such cases have been produced experimentally. On simultaneously grafting testes and ovaries into animals previously castrated, Steinach obtained a type, a kind of artificial hermaphrodite, showing alternate periods of male and female tendencies. On microscopic examination these were found to coincide with alternating proliferation of (1) interstitial tissue of the testes and (2) of the tissues surrounding the egg-rudiments of the ovary. On the other hand, Kunt Sand found both tendencies occurring simultaneously in such experiments. This hermaphroditic experiment is of special importance for the comprehension of differentiation, because it brings us considerably nearer the solution of a difficult question. Men are known to exist who feel no attraction towards women but rather a pronounced craving towards men, i.e., towards their own , for which reason they are called. Similarly, there are women who are only attracted towards women. Since we know through Steinach's experiments that attraction towards one or other of the is largely determined by the presence of organochemical substances derived from either testis or ovary, the inference was drawn that such an individual peculiarity whenever it is congenital, is to be imputed to the presence of the wrong organochemical substances. A man need not possess an ovary, nor a woman a testis; it would be sufficient if the testis contained ovarian tissues and vice versa.
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Besides the different types and gradations of hermaphrodism mentioned at the end of the previous chapter, we must refer to that kind of hermaphrodism which occurs if the organochemical substances of both are produced in the same individual.
This hermaphroditic experiment is of special importance for the comprehension of differentiation, because it brings us considerably nearer the solution of a difficult question. Men are known to exist who feel no attraction towards women but rather a pronounced craving towards men, i.e., towards their own , for which reason they are called. Similarly, there are women who are only attracted towards women. Since we know through Steinach's experiments that attraction towards one or other of the is largely determined by the presence of organochemical substances derived from either testis or ovary, the inference was drawn that such an individual peculiarity whenever it is congenital, is to be imputed to the presence of the wrong organochemical substances. A man need not possess an ovary, nor a woman a testis; it would be sufficient if the testis contained ovarian tissues and vice versa.



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