adventitia
[ad-ven-tish-ee-uh, -tish-uh]
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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.
Origin of adventitia
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for adventitia
Historical Examples of adventitia
Up to the third decade there is only a strengthening of the media and adventitia.
Arteriosclerosis and Hypertension:Louis Marshall Warfield
The adventitia varies much in thickness, being better developed in the medium-sized than in the large arteries.
Arteriosclerosis and Hypertension:Louis Marshall Warfield
Coincidently with this, there is thickening by a connective tissue growth in the adventitia.
Arteriosclerosis and Hypertension:Louis Marshall Warfield
There is also, as a rule, rather pronounced hypertrophy of the adventitia.
Arteriosclerosis and Hypertension:Louis Marshall Warfield
adventitia
noun
Word Origin for adventitia
C19: New Latin, from the neuter plural of Latin adventīcius; see adventitious
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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adventitia
[ăd′vĕn-tĭsh′ə]
n.
The American Heritage® Stedman's Medical Dictionary
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