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Urology. 1975 Jan;5(1):76-82.

Response of rat testis to localized induced hyperthermia.


A method is presented in which the rat testis is extensively mobilized through a low abdominal incision, but in which its blood supply is carefully preserved. Localized hyperthermia is induced in this mobilized testis by water bath immersion. The tissue temperature is measured during and after immersion by means of a thermocouple inserted into the tissue. The relative sensitivity of spermatogenic tissue to increased temperature is confirmed and the relative resistance of Sertoli and Leydig cells is noted. Minimal or absent inflammatory reaction to thermal destruction of testicular cells is found as long as the tubule is intact. A marked peritesticular inflammatory response is noted when the total testicular tissue is destroyed at the highest temperature tested.

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