在解剖一具成年(约65岁,身高约160 cm)女性尸体时,发现其右侧正中神经穿肱肌走行变异,该变异类型尚未见文献报道,现报道如下:此例标本右侧正中神经由臂丛内、外侧束的内、外侧根呈“Y”形汇合后,向下先行于肱动脉的内侧,在臂上部跨过肱动脉的前方至外侧又转到其后方,与血管 In the dissection of an adult (about 65 years old, about 160 cm in height) female body, found that the right side of the median nerve wear brachial muscle walking variation, the type of mutation has not been reported in the literature, are reported as follows: The right side of the sample median nerve From the brachial plexus, the lateral bundle of the medial and lateral roots showed “Y ” shape confluence, downward first in the brachial artery medial, in the upper arm across the front of the brachial artery to the outside and turn to the rear, and vascular