noun
- the outermost layer of a blood vessel wall
Usage: medical; anatomy
Examples
- The adventitia provides structural support to the artery.
- Damage to the adventitia can affect blood vessel function.
- The surgeon carefully preserved the adventitia during the procedure.
- Inflammation of the adventitia is called adventititis.
- The adventitia contains connective tissue and small blood vessels.
- Medical students learn to identify the adventitia in histology class.