The circulatory system is a complex collection of the heart and its many chambers, and the vessels that move blood around the body. At first glance, it can be difficult to grasp. Whether you have an ...

As the central part of the circulatory system, the heart is responsible for pumping blood, supplying oxygen and nutrients, and removing metabolic waste such as carbon dioxide from all the tissues in ...

At the Vascular Diagnostic and Imaging Laboratory, our vascular sonographers use specialized equipment to examine the arteries and veins throughout the body. Our lab is a full-service clinical ...

Researchers are shifting focus from large arteries to microvessels, where nitric oxide activity may signal early circulatory changes before symptoms appear. Nitric oxide is a signaling molecule ...

Peripheral artery disease (PAD) and chronic venous insufficiency (CVI) both affect your blood vessels and prevent your body from getting the oxygen-rich blood that it needs. The difference between the ...

Arteries play an active role in the immune system by sensing infection and injury. They collect information about invaders through dendritic cells embedded in their walls. Arteries supplying blood to ...

Our heart works continuously, pumping blood throughout the body and keeping us alive. When the heart functions properly, we ...

The hypogastric artery, also called the iliac artery, provides blood flow to the organs in your pelvis. You have an abdominal aorta, which is a large artery that travels down into your pelvis, where ...

The radial veins run the length of the forearm just below the elbow, and follow the path of the radial bone. Their path is also somewhat comparable to the radial arteries. These veins assist in ...

Cynthia Elford had recently lost her left leg to Type 1 diabetes, after a sunburned big toe turned nearly black and forced an amputation. Now, Elford was being told the same thing was happening in her ...