| adventitial | Relating to the outer coat or adventitia of a blood vessel or other structure. Synonym: adventitious. (05 Mar 2000) |
|---|---|
| adventitial cell | <pathology> Cell associated with the walls of small blood vessels: not a smooth muscle cell, nor an endothelial cell. (18 Nov 1997) |
| adventitial neuritis | Inflammation of the sheath of a nerve. See: perineuritis. (05 Mar 2000) |