Microangiopathy is a term used to describe a condition that involves damage to small blood vessels. This can be caused by a variety of conditions and has several synonyms that can be used interchangeably. Some of these synonyms include microvascular disease, small vessel disease, capillary disease, and arteriopathy. Microvascular disease is a common synonym that refers to any condition that affects the small blood vessels in the body. Small vessel disease and capillary disease specifically refer to damage to the smallest vessels in the body. Arteriopathy is a synonym that refers to damage to the arteries, which are larger blood vessels that carry blood away from the heart.