Medical name for spider veins. Veins that are dilated, tiny or small, and frequently form branches that loosely resemble spider legs. All veins contain one-way valves and telangectasias are a result of vein valve malfunction on a very tiny level.

also known as spider veins, are small, enlarged, superficial blood vessels that most frequently appear on the face, legs and chest. There are many different causes such as hormonal changes, sun exposure, genetics and liver disorders. Rarely do these disappear on their own, they can diminish 50-100% with treatments that are available.