adventitia

adventitia definition - medical

ad·ven·ti·tia (ădˌvĕn-tĭshˈə)

noun
The outermost membranous covering of an organ or structure, especially the outer coat of an artery.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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