amphivasal vascular bundle

例句：

1. 1.The amphivasal vascular bundle is responsible for the distribution of blood to the lower extremities.
   腹膜血管束负责将血液输送到下肢。
2. 2.During surgery, the surgeon must carefully dissect the amphivasal vascular bundle to avoid damaging important nerves.
   在手术中，外科医生必须小心地解剖腹膜血管束，以避免损伤重要的神经。
3. 3. The amphivasal vascular bundle plays a crucial role in maintaining the health of the lower extremities.
   腹膜血管束在维护下肢健康方面起着至关重要的作用。