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Using the mouse cryptorchid model, degenerations of germ cells were observed as well as a reduced size of seminiferous tubules, while the area of the interstitial tissue increased. Aromatase, the enzyme responsible for the conversion of androgens into oestrogens, was immunolocalized in Leydig cells and in germ cells from both scrotal and abdominal testes, and in Sertoli cells only in a control testis...
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