SCROTAL REPLACEMENT OF EXPERIMENTAL CRYPTORCHID TESTES AND THE RECOVERY OF SPERMATOGENETIC FUNCTION (GUINEA PIG)

1 August 1926

journal article
research article
Published by University of Chicago Press in The Biological Bulletin

Vol. 51 (2) , 112-128
https://doi.org/10.2307/1536542

Abstract

Guinea pig testes removed from the scrotum and replaced in the abdomen within a few days alter birth remain in a quiescent stage as long as the abdominal position is retained, a condition essentially equivalent to congenital cryptorchidism. Testes so retained from a few days after birth until the animals were more than 5 mos. old (equivalent in man to years after puberty) recovered and produced spermatozoa within 90 days after scrotal replacement. The results support the idea that spermatogenesis is completed only in a scrotal environment; the scrotum acts as a local temperature regulator for the testis and such a function is indispensable for spermatozoon formation.

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