accompanying vein

[ə-kŭmpə-nē-ĭng, ə-kŭmpnē-ĭng]
  1. A vein accompanying another structure.
  2. Either of a pair of veins, occasionally more, that closely accompany an artery in such a manner that the pulsations of the artery aid venous return.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.