Arteriae metacarpales dorsales

例句：

1. 1.The surgeon performed the surgery on the patient's arm.
   外科医生在患者的手臂上进行了手术。
2. 2.The doctor examined the patient's arm and found no signs of injury.
   医生检查了患者的手臂，没有发现任何受伤的迹象。
3. 3.The nurse administered an injection to the patient's arm.
   护士给患者手臂注射了一针。