Source:http://linkedlifedata.com/resource/umls/id/C0042384
MSH: Inflammation of any one of the blood vessels, including the ARTERIES; VEINS; and rest of the vasculature system in the body.,CSP: inflammation of a blood vessel.,MEDLINEPLUS: <p>Vasculitis is an inflammation of the blood vessels. It happens when the body's immune system attacks the blood vessel by mistake. The cause is often unknown. Vasculitis can affect arteries, veins and capillaries. Arteries are vessels that carry blood from the heart to the body's organs. Veins are the vessels that carry blood back to the heart. Capillaries are tiny blood vessels that connect the small arteries and veins. </p><p>When a blood vessel becomes inflamed, it can</p><ul> <li> Narrow, making it more difficult for blood to get through </li> <li> Close off completely so that blood can't get through </li> <li> Stretch and weaken so much that it bulges and may burst and cause dangerous bleeding inside the body</li></ul><p>Symptoms of vasculitis can vary, but usually include fever, swelling and a general sense of feeling ill. T