azygous vein

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Related to azygous vein: thoracic duct, hemiazygos vein
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Noun1.azygous vein - one of a system of veins that drain the thoracic and abdominal wallsazygous vein - 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
vein, vena, venous blood vessel - a blood vessel that carries blood from the capillaries toward the heart; "all veins except the pulmonary vein carry unaerated blood"
References in periodicals archive ?
There was collateralization of vessels with reconstitution of the azygous vein and opacification of the distal SVC (Figure 1).
These were categorized based on the following echocardiographic criteria: a diagnosis of left atrial isomerism was made if there was an interrupted inferior caval vein with azygous continuation and anterior located descending aorta according to azygous vein, and a diagnosis of right atrial isomerism was made if the inferior caval vein and aorta was both located on the right or left side of the spine in parallel anteroposterior orientation (8,9).
Recent studies have shown that CCSVI (Chronic Cerebro-Spinal Venous Insufficiency), a condition in which the jugular and azygous veins, which drain blood from the brain and spinal cord to the rest of the body, are narrowed, malformed, missing or otherwise blocked, could be a cause for MS.