With the copious vascular anastomosis net, the position of all vessels was relatively constant, especially the external pudendal artery.

• 结果：阴股沟区动脉血液供应充足，静脉回流丰富，具有丰富的血管吻合网，位置比较恒定，动脉尤以阴部外动脉最为恒定。