[ pol-ee-ahr-tuh-rahy-tis ]
/ ˌpɒl iˌɑr təˈraɪ tɪs /

noun Pathology.

inflammation of the layers of an artery or of many arteries, usually caused by a severe hypersensitivity reaction, and characterized by nodules and hemorrhage along the involved vessels.

Origin of polyarteritis

From New Latin, dating back to 1905–10; see origin at poly-, arteritis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for polyarteritis


[ pŏl′ē-är′tə-rītĭs ]


Simultaneous inflammation of a number of arteries.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.