Adventitia Definition

ădvĕn-tĭshə, -vən-
noun
The outer covering of an organ, as of an artery: it is made up chiefly of connective tissue.
Webster's New World
The membranous outer covering of an organ or a blood vessel.
American Heritage Medicine

(anatomy, histology) The outermost layer of epithelial tissue encasing a visceral organ.

Wiktionary
Synonyms:
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Origin of Adventitia

  • New Latin from Latin adventīcius foreign adventitious

    From American Heritage Dictionary of the English Language, 5th Edition

  • From the Latin adventitius (“extraneous”).

    From Wiktionary

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