The influence of a cryptorchid milieu on the initiation of spermatogenesis in the rat.
D000818:Animals; D000831:Animals, Newborn; D002454:Cell Differentiation; D003456:Cryptorchidism / Q000503:physiopathology*; D008297:Male; D051381:Rats; D012611:Scrotum / Q000196:embryology; D012708:Sertoli Cells; D013091:Spermatogenesis; D013094:Spermatozoa; D013737:Testis / Q000196:embryology / Q000254:growth & development