polyarteritis nodosa

noun
polyarteritis no·​do·​sa | \-nō-ˈdō-sə \

Medical Definition of polyarteritis nodosa 

: an acute inflammatory disease that involves all layers of the arterial wall and is characterized by degeneration, necrosis, exudation, and the formation of inflammatory nodules along the outer layer

called also periarteritis nodosa

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