title: Embryological controversies in testicular descent.
mesh_terms: D000818:Animals; D003456:Cryptorchidism / Q000196:embryology*; D006801:Humans; D008297:Male; D012733:Sex Differentiation; D013737:Testis / Q000196:embryology*; D013739:Testosterone / Q000502:physiology*
chemical_list: D013739:Testosterone