A disorder of the arteries supplying the upper and lower extremity and the visceral organs. This includes the mesenteric arteries, the renal arteries and the aorta and excludes cerebrovascular arterial disease. Patients experience cramping and pain usually in the calves and thighs while walking. The symptoms subside with rest. The disease is peripheral arterial disease (Monarch Disease Ontology identifier MONDO_0005386). Also known as: PAD, pad, peripheral arterial disorder.