uncus of vertebral body

例句：

1. 1. The uncus is a small bone in the lowerback that helps support the spine.
   尾椎是位于下背部的小骨头，它帮助支撑脊柱。
2. 2. During surgery, the surgeonmust carefully remove the uncus to avoiddamaging the spinal cord.
   在手术中，外科医生必须小心地移除尾椎，以避免损伤脊髓。
3. 3. The uncus canbe a source of pain or discomfort forsome people due to its position and size.
   由于其位置和大小，一些人可能会因为尾椎而感到疼痛或不适。