azygous

形容词 azygous:

1. occurring singly; not one of a pair
   同义词：azygos

a.zy.gous

adj.Anatomy （形容词）【解剖学】
Occurring singly; not one of a pair, as a vein or muscle.
不成对的：单个存在；而非一对中单个的，如静脉或肌肉