arteria perinealis

例句：

1. 1. The arteria perinealis is responsible for supplying blood to the lower extremities.
   腹股沟动脉负责向下肢供血。
2. 2. During surgery, the arteria perinealis needs to be carefully dissected to avoid injury.
   在手术过程中，需要小心解剖腹股沟动脉以避免受伤。
3. 3. The patient's condition worsened after the arteria perinealis was severed.
   患者的情况在腹股沟动脉被切断后恶化了。