inferior mesenteric plexus

例句：

1. 1. The surgeon removed the inferior mesenteric plexus to relieve the patient's pain.
   外科医生切除了下腹壁内动脉丛以缓解病人的疼痛。
2. 2. The study found that the inferior mesenteric plexus plays a crucial role in digestion.
   研究发现下腹壁内动脉丛在消化过程中起着至关重要的作用。
3. 3. During surgery, the surgeon carefully preserved the inferior mesenteric plexus to avoid damaging the vital blood vessels.
   手术中，外科医生小心地保留了下腹壁内动脉丛，以避免损坏重要的血管。