The processus vaginalis and gubernaculum. Their raison d'etre redefined.
D000717:Anatomy, Comparative; D000818:Animals; D003456:Cryptorchidism / Q000209:etiology / Q000473:pathology / Q000662:veterinary; D005321:Extraembryonic Membranes; D005260:Female; D006552:Hernia, Inguinal / Q000209:etiology / Q000473:pathology / Q000662:veterinary; D006801:Humans; D007264:Inguinal Canal; D008297:Male; D012611:Scrotum / Q000254:growth & development / Q000473:pathology; D013737:Testis / Q000254:growth & development / Q000473:pathology