azygos vein


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Related to azygos vein: thoracic duct, hemiazygos vein
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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 ?
1,2) From the cisterna chyli, it ascends into the chest through the aortic hiatus, along the right side of the aorta, and continues posterior to the esophagus in the posterior mediastinum between the aorta and the azygos vein.
The thoracic duct receives drainage from the abdominal cavities, and lies superior to the azygos vein, close to the thoracic aorta (4).