The signs of a dangerous blood clot can vary depending on its location. Some people may also not experience any symptoms.

There are three types of blood vessel: arteries, veins and capillaries. The heart is a muscular organ that pumps blood around your circulatory system. The circulatory system is the heart and all ...

For example, a capillary is microscopically thin to allow gases to exchange, the arteries are tough and flexible to cope with high pressure blood flow and the veins contain valves to prevent the ...

In order to get blood to the heart muscle of a by-pass patient more efficiently, surgeons first need to borrow veins or arteries from non-critical areas of the body and then stitch them into the ...

Atherosclerosis, or "hardening of the arteries," is a vascular disease (disease of the arteries and veins). Carotid artery disease is similar to coronary artery disease, in which blockages occur in ...

People who have an abnormal passageway between an artery and vein (arteriovenous fistula) in the leg. Vein ligation and stripping removes varicose veins successfully in 80 out of 100 people. That ...