azygos vein

/ˌæzəgəs veɪn/
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Other forms: azygos veins

Definitions of azygos vein
  1. noun
    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
    synonyms: azygous vein, vena azygos
    see moresee less
    type of:
    vein, vena, venous blood vessel
    a blood vessel that carries blood from the capillaries toward the heart
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