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flexion crease
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flexion crease
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flexion crease
屈肌褶纹
又称“屈肌皱裂”。人在胚胎期随着胎儿发育生长而形成,在手指关节和手掌一定部位上形成的粗大明显的沟纹,随关节屈伸活动的增加趋于明显深化。
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