题目内容

关于掌腱膜的描述,错误的是

A. 呈三角形,尖与掌长肌腱相连,位于屈肌支持带的浅面并与之结合
B. 由纵横交织的纤维构成,横行纤维居浅层、纵行纤维居深层
C. 掌腱膜纵、横纤维与掌浅横韧带围成指蹼间隙
D. 为掌部深筋膜浅层的一部分,位于指浅屈肌的浅面
E. 指蹼间隙是手掌、手背和手指之间的通道

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