azygos vein
/ˈæzɪgəs/noun
- Anatomy a large vein on the right side at the back of the thorax, draining into the superior vena cava【剖】奇静脉。
词源
mid 17th cent.: azygos from Greek azugos, from a- 'without' + zugon 'yoke'， the vein not being one of a pair.