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Noun: azygos vein
  1. 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
    - azygous vein, vena azygos

Derived forms: azygos veins

Type of: vein, vena, venous blood vessel

Encyclopedia: Azygos vein