vena azygos


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Noun1.vena azygos - one of a system of veins that drain the thoracic and abdominal wallsvena azygos - 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 ?
As fever and neck swelling progressed and the patient detoriated, a posteroanterior (PA) chest X-ray (Figure 1 a) and a cervicothoracic computed tomography (CT) (Figure 1 b, 1 c) were performed which showed a necrotizing infection that extended from the neck to the level of the vena azygos along the right paratracheal region and a right sided pleural effusion.