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pseudoaneurysm

(sōō′dō-ănyə-rĭz′əm)
n.
  1. A dilation of an artery with actual disruption of one or more layers of its walls, rather than with expansion of all wall layers.false aneurysm
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.