Medical Dictionary

azygos vein


azygos vein

noun

Definition of AZYGOS VEIN

:  any of a system of three veins which drain the thoracic wall and much of the abdominal wall and which form a collateral circulation when either the inferior or superior vena cava is obstructed; especially :  a vein that receives blood from the right half of the thoracic and abdominal walls, ascends along the right side of the spinal column, and empties into the superior vena cava—compare accessory hemiazygos vein, hemiazygos vein
March 04, 2015
sprightly Hear it
Full of life and energy
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears