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adventitia
[ ad-ven-tish-ee-uh, -tish-uh ]
/ ˌæd vɛnˈtɪʃ i ə, -ˈtɪʃ ə /
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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
OTHER WORDS FROM adventitia
ad·ven·ti·tial, adjectiveWords nearby adventitia
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use adventitia in a sentence
Up to the third decade there is only a strengthening of the media and adventitia.
Arteriosclerosis and Hypertension:|Louis Marshall WarfieldThe adventitia varies much in thickness, being better developed in the medium-sized than in the large arteries.
Arteriosclerosis and Hypertension:|Louis Marshall WarfieldCoincidently with this, there is thickening by a connective tissue growth in the adventitia.
Arteriosclerosis and Hypertension:|Louis Marshall WarfieldThere is also, as a rule, rather pronounced hypertrophy of the adventitia.
Arteriosclerosis and Hypertension:|Louis Marshall Warfield
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′vÄ•n-tÄsh′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.