hemiazygous vein
hemiazygous vein
[¦he·mē′az·ə·gəs ′vān] (anatomy)
A vein on the left side of the vertebral column which drains blood from the left ascending lumbar vein to the azygos vein.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.