palmar metacarpal vein

例句：

1. 1. The palmar metacarpal vein is a small vein that runs from the base of the thumb to thetip of the finger.
   掌骨中动脉静脉是一条从拇指根部到手指尖端的小静脉。
2. 2. This condition can cause pain and swelling in the palmar metacarpal vein area.
   这种状况可能导致手掌骨中动脉静脉区域疼痛和肿胀。
3. 3.Diagnosing this condition requires an examination of the palmar metacarpal vein.
   诊断这种状况需要检查掌骨中动脉静脉。