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 ...

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 ...

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 ...

DEAR DR. ROACH: If exercise helps new arteries to grow, would it also help new veins to grow and alleviate varicose veins? -- M.D. ANSWER: It’s a good thought, but unfortunately, exercise does not ...

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 ...

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 goal of coronary artery bypass grafting (CABG) is to improve blood flow to your heart. The heart is a muscle about the size of your fist. Your heart pumps blood and oxygen to all of the organs and ...

A study has found a link between hardening of the arteries and blood clots in veins, a discovery that could spur new research on ways to prevent the life-threatening blockages. Researchers concluded ...

An arteriovenous malformation (AVM) is a tangle of blood vessels. It can develop anywhere in the body, but it presents the most risk when it occurs in the brain or spinal cord. An AVM can result in ...

What Is Retinal Vein Occlusion? Arteries supply the retina with blood, and veins carry blood away. Sometimes, a vein becomes partially or completely blocked. This is called retinal vein occlusion, or ...

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 ...

Bleeding happens as the result of trauma to a blood vessel. A head injury is any trauma to your scalp, skull, or brain. Head injuries can range in severity from a mild bump on your head to a serious ...