笔者在一成年男性右侧上肢标本上,发现其腋动脉分支变异并有正中神经位置(行程变异)异常,较少见,报道如下: 腋动脉第1段发出胸上动脉,第2段发出胸肩峰动脉、胸外侧动脉,这些分支起止、走行、分布基本正常。该例变异主要见于腋动脉的第3段: (1) 腋动脉经胸小肌下缘穿出后,距胸小肌下缘1.0cm处向后发出一粗大分支,该分支为肩胛下动脉、旋 The author of an adult male right upper extremity specimens and found that the axillary artery branch variation and median nerve position (stroke variation) abnormalities, rare, reported as follows: axillary artery thoracic artery 1, paragraph 2 issued chest Shoulder artery, thoracic artery, these branches start and end, walking, distribution is normal. This case of variation mainly found in the third paragraph of the axillary artery: (1) axillary artery pierced the lower edge of the pectoralis minor muscle, 1.0cm away from the lower edge of the pectoralis minor issued a large branch to the back, the branch for the subscapularis artery, Spin