Arteries carry oxygenated blood away from your heart. They have thick walls and a muscular layer that keeps your blood moving. Arteries can be as wide as a nickel (about two centimeters). They are the ...

New technique could overcome restrictions on size and functionality and prevent necrotic regions of dead cells.

Florida wildlife officials have confirmed the state's second case of a deadly and highly contagious infection known as ...

Researchers have discovered that a certain type of cell that sits on top of the brain's smallest blood vessels senses when their brain region needs energy. When glucose levels are low, these cells ...

Your spinal cord needs a steady blood supply to deliver oxygen and nutrients to the tissues. This blood helps the spinal cord cells send nerve impulses to the rest of your body. The impulses are ...

A blood clot is a potential complication after surgery. To help prevent blood clots, a doctor may advise doing exercises to promote blood flow, wearing compression garments, and taking blood-thinning ...

During bypass surgery, a surgeon connects healthy blood vessels to bypass a blocked artery. It is often needed for those with ...