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Inflammation of the outer coat of an artery and of the periarterial tissues.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



a disorder of the middle and outer layers of the artery walls. Periarteritis nodosa, one of the collagen diseases, affects the entire body. Caused by inflammatory changes and necrosis in the walls of the small arteries, it leads to circulation disorders.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.