In severe cases, they can lead to more serious problems, such as ulcers (open sores) on the legs or, according to one study, clots in the deep veins of the legs. Varicose veins te ...

Due to blockage in the veins, the heart is not supplied with adequate oxygen and nutrients. This causes chest pain. 2.

Spider veins, a milder type of varicose veins, are smaller than varicose veins and often look like a sunburst or "spider web ... a large vein that transports blood to the heart. The blood in the veins ...

They look like an upside-down umbrella ... Have DVT in your inferior vena cava or iliac veins (veins running from your heart to your lower body and pelvis). There are two types of IVC filters.

The heart is a pump, and the blood goes round ... has to be supplied with oxygen and food and water, and the veins and arteries are like roads going all the way through your body with the blood ...