6.The embryonic duct of the mesonephros, which in the male becomes the vas deferens and in both sexes gives rise to the ureter.
沃尔夫氏管,中肾管:中肾的胚胎导管,在雄性中变成输精管,在雌雄两性中都发育成输尿管
7.Four patients with blind end of vas and vessels proximal to the internal inquinal ring were planned for orchiectomy or simple or staged orchidopexy depending on clinical situations.