Location and Anatomy The portal vein is formed by the merging of the splenic vein, which brings blood from the spleen, and the superior mesenteric vein, which brings blood from the intestines.

Your hepatic veins transport low-oxygen blood from your digestive tract to your heart and ultimately to your lungs. A blockage in your hepatic veins could lead to serious problems with your liver.

This review details our present knowledge of the anatomy and electrophysiology of the PVs and how they relate to the left atrium.

What are the differences between arteries and veins? Read on to find out about these blood vessels, plus other types, and how the cardiovascular system works.

The subclavian vein is a large paired, deep vein that extends along each side of the neck. The primary function of veins is to transport deoxygenated blood from all parts of the body, returning it ...

Then the femoral vein terminates and turns into the external iliac vein, just behind the inguinal ligament, a tough band of tissue that forms a barrier between the thigh and the pelvis.

Venous insufficiency is a condition in which the flow of blood through the veins is blocked, causing blood to pool in the legs. It's often caused by blood clots. We’ll describe the causes of ...