Define for me what peripheral vascular disease is?

Hardening: Of the arteries leading to decreased blood flow to the extremities.

Outside brain: Peripheral vascular disease refers to any disease or disorder of the circulatory system outside of the brain and heart.

Plaque in legs: Peripheral vascular disease (pvd), also known as peripheral arterial occlusive disease (paod) or arteriosclerosis obliterans, refers to occlusion or stenosis of arteries, usually in the lower extremities.