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pericardial cavity in Medicine

pericardial cavity

(pĕr′ĭ-kärdē-əl)
n.
  1. The fluid-filled space between the two layers of the pericardium.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.