azygos vein

(redirected from Azygos veins)
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Noun1.azygos vein - one of a system of veins that drain the thoracic and abdominal wallsazygos 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 ?
In AM patients, the portal venous blood most commonly drained into the inferior vena cava and occasionally into the renal veins, iliac veins, azygos veins, or right atrium.
The initial 80 cc starting 60 s before the scan allows adequate contrast filling of the returning systemic veins, particularly the brachiocephalic and azygos veins.
We have been using angioplasty to open jugular and azygos veins in the neck and chest respectively to improve blood flow in people with MS.
In the chest there are numerous lympho-venous connections between the azygos veins and the thoracic duct (3).