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vertebral vein

n.
  1. Either of two veins that derive from tributaries that run through the foramina in the transverse processes of the first six cervical vertebrae and form a plexus around the vertebral artery and that empty as a single trunk into the brachiocephalic vein, designated right and left.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.