polyarteritis nodosa
noun
polyarteritis no·do·sa
-nō-ˈdō-sə 
: 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
Cite this Entry
“Polyarteritis nodosa.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/polyarteritis%20nodosa. Accessed 3 May. 2025.
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