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掌心动脉
anat. palmar metacarpal artery (有3支,自掌深弓凸侧发出,沿骨间掌侧肌前面下行,至掌指关节处分别与相应的指掌侧总动脉吻合。掌心动脉的穿支穿骨间背侧肌,与掌背动脉吻合)
surg. palmar metacarpal arteries