Author(s): Virtanen HE, Cortes D, RajpertDe Meyts E, Ritzn EM, Nordenskjld A,
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Abstract The testis descends in two phases. Animal studies suggest, that the transabdominal descent of the testis depends on the insulin-like hormone 3 (INSL3). Androgens are important in the inguinoscrotal testicular descent in animals and humans. In general, the cause of cryptorchidism is unknown and the aetiology is possibly multifactorial. Histological changes in cryptorchid testes demonstrate disturbed development. CONCLUSION: Since testicular descent is regulated by testis-derived hormones, cryptorchidism may reflect a functional defect of the testis.
This article was published in Acta Paediatr
and referenced in Journal of Clinical & Cellular Immunology