Testicular germ cell differentiation.
D000818:Animals; D002454:Cell Differentiation; D003456:Cryptorchidism / Q000473:pathology / Q000601:surgery; D005854:Germ Cells / Q000166:cytology* / Q000473:pathology; D008297:Male; D051379:Mice; D009154:Mutation; D013093:Spermatogonia / Q000473:pathology; D013737:Testis / Q000166:cytology* / Q000473:pathology