1.Countercurrent exchange in the vasa recta preserves hyperosmolarity of the renal medulla.
保持肾髓质的高渗作用,并将水,包括集合管和髓袢降支重吸收的水带走.
2.- The basic lesion is an aortitis consisting of necrosis resulting from thickening and hardening of the vasa vasorum.
-基本变是一个由大动脉坏死及硬化的营养管.
3.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.