humeral carina

例句：

1. 1. The humeral carina is the area where the brachial artery meets the subclavian artery.
   肱动脉瓣膜是臂动脉与锁骨下动脉相遇的区域。
2. 2.During surgery, the surgeon must carefully dissect the humeral carina to avoid damaging the nerves.
   在手术过程中，外科医生必须小心地解剖肱动脉瓣膜，以免损伤神经。
3. 3. The humeral carina is an important landmark for identifying the location of the clavicle and the sternum.
   肱动脉瓣膜是确定锁骨和胸骨位置的重要标志。