This content was created by our physicians and experts. Deep vein thrombosis is a blood clot that forms in a vein deep inside the body, most often in the leg. If a piece of that clot breaks loose and ...

But can also be a sign of a more serious disease. Telangiectasias (commonly known as "spider veins") are dilated or broken blood vessels located near the surface of the skin or mucous membranes. They ...