vena azygos


  • WordNet 3.6
    • n 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
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In literature:

K. Vena azygos receiving the intercostal veins.
"Surgical Anatomy" by Joseph Maclise
The Edentates, at any rate the American forms, have a double vena cava posterior and no azygos vein.
"The Cambridge Natural History, Vol X., Mammalia" by Frank Evers Beddard