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mediastinal
Variant of mediastinum
noun pl. mediastina
- a membranous partition between two cavities of the body, esp. that separating the lungs or the two pleural sacs
- the space between the pleural sacs, containing the heart and other chest viscera except the lungs
Related Forms:
- mediastinal adjective
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
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