|
Definition of Adventitia
1. Noun. An enveloping or covering membrane or layer of body tissue.
Exact synonyms: Tunic, Tunica
Generic synonyms: Membrane, Tissue Layer
Specialized synonyms: Albuginea
Derivative terms: Adventitial
Generic synonyms: Membrane, Tissue Layer
Specialized synonyms: Albuginea
Derivative terms: Adventitial
Definition of Adventitia
1. [n -S]
Medical Definition of Adventitia
1. The outermost connective tissue covering of any organ, vessel, or other structure not covered by a serosa; instead, the covering is properly derived from without (i.e., from the surrounding connective tissue) and does not form an integral part of such organ or structure. Synonym: tunica adventitia, membrana adventitia. Origin: L. Adventicius, coming from abroad, foreign, fr. Ad, to + venio, to come (05 Mar 2000)