polyarteritis

[ pol-ee-ahr-tuh-rahy-tis ]

noun

, Pathology.

1. inflammation of the layers of an artery or of many arteries, usually caused by a severe hypersensitivity reaction, and characterized by nodules and hemorrhage along the involved vessels.

Word History and Origins

Origin of polyarteritis¹

From New Latin, dating back to 1905–10; poly-, arteritis