[ 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.

Nearby words

  1. polyangiitis,
  2. polyangular,
  3. polyanion,
  4. polyanthus,
  5. polyarchy,
  6. polyarteritis nodosa,
  7. polyarthric,
  8. polyarthritis,
  9. polyarthritis rheumatica acuta,
  10. polyarticular

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.