one of a system of veins that drain the thoracic and abdominal walls; arises as a continuation of the right ascending lumbar vein and terminates in the superior vena cava
双语例句
The azygos vein ascends in the right paravertebral gutter. 奇静脉在右侧脊柱旁沟内上升。
If superior vena caval obstruction lies above the azygosvein, it acts as a bypass collateral to the right atrium. 如果上腔静脉阻塞位于奇静脉之上，奇静脉就成为一条通入右心房的旁路侧支循环。
