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adventitia

   Also found in: Medical, Encyclopedia, Wikipedia 0.03 sec.
ad·ven·ti·tia  (dvn-tsh, -vn-)
n.
The membranous outer covering of an organ or a blood vessel.

[New Latin, from Latin adventcius, foreign; see adventitious.]

adven·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
Noun1.adventitia - an enveloping or covering membrane or layer of body tissueadventitia - an enveloping or covering membrane or layer of body tissue
tissue 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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Arterial walls consist of three layers: intima, media and adventitia.
Hoffman who removed adventitia and looked underneath the adventitia to make sure that the vein was intact.
Spontaneous coronary artery dissection may cause an obstruction to the blood flow by the formation of an intramural hematoma between the adventitia and the media of the vessel wall.
 
 
 
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