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 ...

The human circulatory system represents an intricate network of vessels that extends throughout the entire body. This complex arrangement of arteries, veins, and capillaries works continuously to ...

A simple reversal of the way a long-standing surgical procedure is performed to create an arteriovenous fistula for hemodialysis access significantly improves the fistula's function and longevity over ...

The coronary sinus (CS) refers to a collection of veins that join together to form a large blood vessel. This vein is located between the left atrium and the left ventricle of the heart. A collection ...

The vaginal vein refers to the group of blood vessels located near the genitalia on the female human body. They are part of a network of blood vessels known as the vaginal venous plexus. The vaginal ...

Each kidney typically has one vein that carries blood filtered by the kidney into the circulatory system. These are called the renal veins. Usually there’s one on the right and one on the left.

Individuals with coronary artery disease (CAD)—a constricting or blocking of blood vessels feeding the heart—face increased ...