Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun azygos_vein

1 sense of azygos vein

Sense 1
azygos vein, azygous vein, vena 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")