dorsal branch of ulnar nerve

例句：

1. 1. The dorsal branch ofthe ulnar nerve is responsible forsensation in the thumb and index finger.
   桡神经的背侧支负责拇指和食指的感觉。
2. 2. The dorsal branch ofthe ulnar nerve is a commonsite for compression or injury.
   桡神经的背侧支是常见的压迫或损伤部位。
3. 3. The dorsal branch of theulnar nerve can be a sourceof pain due to its proximity to theskin.
   桡神经的背侧支由于靠近皮肤，可能会引起疼痛。