锁骨上神经穿锁骨伴斜方肌止点异常一例
Chinese Journal of Anatomy（2012）
Abstract
在解剖1具成年男尸过程中见其右侧斜方肌止点异常伴锁骨上神经穿锁骨骨孔.报道如下.
男尸身长159.0 cm,其右侧斜方肌一部分异常肌束止于锁骨中部.抵止部长6.47 cm,内侧端距锁骨胸骨端内侧缘5.75 cm,外侧端距肩峰端外侧缘5.32 cm.在距锁骨胸骨端内侧缘9.02 cm处,该肌束与锁骨上缘形成一卵圆形空隙,其长轴1.09 cm,短轴0.47 cm,颈外静脉及锁骨上中间神经从中穿出.该肌束后缘与斜方肌中部前缘及锁骨上缘形成1个三角形间隙,内有锁骨上外侧神经穿出.
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