- the external covering of an organ or other structure, derived from connective tissue, especially the external covering of a blood vessel.
Origin of adventitia
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.
The adventitia varies much in thickness, being better developed in the medium-sized than in the large arteries.
Coincidently with this, there is thickening by a connective tissue growth in the adventitia.
There is also, as a rule, rather pronounced hypertrophy of the adventitia.
- the outermost covering of an organ or part, esp the outer coat of a blood vessel
Word Origin for adventitia
- The outermost membranous covering of an organ or structure, especially the outer coat of an artery.