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"
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infra reanal segment agenezilerinde iliak venler paravertebral ve umblikus bolgesindeki kolleteraller sayesinde vena azygos ve hemiazygosa drene olurlar.
2nd 3rd and 4th intercostals veins of either side joined to form a right and a left superior inter costal vein which opened in the vena azygos. Thorax was then removed from the abdomen at the level of 7th thoracic vertebra.
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