1) Arteritis 
Inflammation of the adventitia of an artery. ... Synonym: exarteritis. ... (05 Mar 2000) ... 
(per″e-ahr″tә-ri´tis) inflammation of the outer coat of an artery and of the tissues surrounding it. periarteritis gummosa accumulation of gummas on the blood vessels in syphilis. periarteritis nodosa polyarteritis nodosa.
Type: Term Pronunciation: per′ē-ar′tĕ-rī′tis Definitions: 1. Inflammation of the adventitia of an artery. Synonyms: exarteritis
[n] - inflammation of the outer coat of an artery
periarteritis Inflammation of the external coats of an artery and of the tissues around the artery.
noun inflammation of the outer coat of an artery