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Medical Definition of Membrana 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)
Lexicographical Neighbors of Membrana Adventitia
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