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accompanying vein

(ə-kŭmpə-nē-ĭng, ə-kŭmpnē-ĭng)
n.
  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.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.