Definitions for "Polyarteritis nodosa"
a generalized arteritis characterized by necrosis of medium-sized and small arteries and involving many organs including the heart, gastrointestinal tract, muscles, and kidneys. It is one of the connective tissue disorders.1
an inflammatory disease of small and medium sized arteries.
a progressive disease of connective tissue that is characterized by nodules along arteries; nodules may block the artery and result in inadequate circulation to the particular area