The middle sacralvein drains into the right common iliac vein.
荐中静脉注入右髂总静脉。
2
The key to preventing from bleeding of anterior sacralvein is posterior rectal wall is that dissociated between the proper fascia of rectum and anterior sacral fascia in rectectomy.
在直肠切除术中，沿直肠固有筋膜及骶前筋膜之间游离直肠后壁是预防骶前出血的关键。
3
Conclusion Filling the pre-sacral space with gauzes and pressing drawing pin on the sacrum are effective methods for the injury of the pre-sacralvein in operation of rectal carcinoma.