ad·ven·ti·tia ( d v n-t sh  , -vn-)n. The membranous outer covering of an organ or a blood vessel. [New Latin, from Latin advent  cius, foreign; see adventitious.]ad ven·titial adj. |
adventitia [ˌædvɛnˈtɪʃɪə -ˈtɪʃə]
n
(Life Sciences & Allied Applications / Anatomy) the outermost covering of an organ or part, esp the outer coat of a blood vessel
[New Latin, from the neuter plural of Latin adventīcius; see adventitious]
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  adventitia - an enveloping or covering membrane or layer of body tissuetissue layer, membrane - a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants albuginea - whitish tunic |
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