vena metacarpea dorsalis

例句：

1. 1. The doctor examined the vein of the hand and found it to be healthy.
   医生检查了手背的静脉，发现它健康。
2. 2. During surgery, the surgeon had to locate the dorsal vein of the hand for anesthesia.
   在手术过程中，外科医生必须找到手背的静脉进行麻醉。
3. 3. The patient's blood pressure was checked by examining the vein of the hand.
   患者通过检查手背的静脉来测量血压。