adventitia
/ˌæd.vɛnˈtɪʃ.i.ə/
noun
- The outermost layer of the wall of a blood vessel or other tubular organ, made of connective tissue.
- The adventitia provides structural support to arteries and veins.
- Inflammation of the adventitia can weaken blood vessel walls.
- The surgeon carefully repaired the adventitia after the graft.
Antonyms