adventitia

[ ad-ven-tish-ee-uh, -tish-uh ]
/ ˌæd vɛnˈtɪʃ i ə, -ˈtɪʃ ə /

noun Anatomy.

the external covering of an organ or other structure, derived from connective tissue, especially the external covering of a blood vessel.

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Origin of adventitia

1875–80; < Latin adventīcia, neuter plural of adventīcius adventitious

OTHER WORDS FROM adventitia

ad·ven·ti·tial, adjective

Words nearby adventitia

advection fog, advent, advent calendar, advent sunday, adventist, adventitia, adventitial, adventitial cell, adventitial neuritis, adventitious, adventitious cyst
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for adventitia

British Dictionary definitions for adventitia

adventitia
/ (ˌædvɛnˈtɪʃɪə, -ˈtɪʃə) /

noun

the outermost covering of an organ or part, esp the outer coat of a blood vessel

Word Origin for adventitia

C19: New Latin, from the neuter plural of Latin adventīcius; see adventitious
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for adventitia

adventitia
[ ăd′vĕn-tĭsh′ə ]

n.

The outermost membranous covering of an organ or structure, especially the outer coat of an artery.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.