angiitis, angitis

Inflammation of a blood vessel (arteritis, phlebitis) or lymphatic vessel (lymphangitis). SYN: vasculitis. [angio- + G. -itis, inflammation]

- allergic granulomatous a. SYN: Churg-Strauss syndrome.

- consecutive a. a. caused by extension of the inflammatory process from the surrounding tissues.

- frosted branch a. a. characterized by inflammation of blood vessel s with sheathing giving the appearance of branches on a tree.

- hypersensitivity a. an inflammatory reaction in a blood vessel, the result of a specific reaction to an antigenic (allergic) substance or other agents to which the individual expresses unusual vascular sensitization.

- necrotizing a. inflammatory reaction of blood vessel s resulting in fibrinoid necrosis of tissue, especially of the blood vessel wall.