azygos vein

Noun
  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 (synset 105366055)
    is a type of: vein, vena, venous blood vessel - a blood vessel that carries blood from the capillaries toward the heart
    same as: azygous vein, vena azygos

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