在解剖一具成年男性尸体标本时,见其右侧腋动脉分支变异程度较大,较少见[1],现报道如下。右侧腋动脉第一段发出胸上动脉、胸肩峰动脉、变异干。胸上动脉和胸肩峰动脉其起点、分布无异常。变异干在胸小肌上缘发出,起点外径为3.84 mm,向外行于正中神经的深面。其分支有:第1支、第2支距变异干起点19.02 mm处发出,起始 Anatomy of an adult male corpse specimens, see the right axillary artery branch degree of variation is relatively rare [1], are reported below. Right axillary artery sent the first paragraph of the thoracic artery, thoracic shoulder artery, variation dry. Thoracic artery and thoracic artery peak of the starting point, the distribution was normal. Variation stem in the pectoralis minor upper edge of the issue, the starting point of the outer diameter of 3.84 mm, to the deep in the median nerve. Its branches are: the first branch, the first two branch from the starting point of variation 19.02 mm issued at the beginning