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笔者在解剖1具成年男尸时发现左侧背阔肌额外肌束变异,变异肌束有独立神经支配及动脉营养,而右侧背阔肌未见任何异常。王根本[1]曾报道背阔肌的额外抵止腱束变异。此例背阔肌变异的腱束是附着于胸大肌上,由胸内侧神经发出一细支及胸肩峰动脉发出一细小动脉,支配和营养该变异肌束,现报道如下。
The author in the dissection of an adult male corpse found on the left latissimus dorsi extra muscle bundle variation, mutated muscle bundles have independent innervation and arterial nutrition, while the right latissimus dorsi no abnormalities. Wang et al. [1] reported that there was an additional block of tendon bunches in latissimus dorsi. This case of latissimus deviation of the tendon is attached to the pectoralis major, the thoracic medial nerve issued a fine branch and the thoracic apex artery issued a small artery, dominate and nutrition mutated muscle bundle, are reported below.