Periarteritis

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periarteritis

[¦per·ē‚ärd·ə′rīd·əs]
(medicine)
Inflammation of the outer coat of an artery and of the periarterial tissues.

Periarteritis

 

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.