Portal Vein Function, Location, and Anatomy. Story by Rony Kampalath, MD • 1y. Medically reviewed by Rochelle Collins, DOMedically reviewed by Rochelle Collins, DO.

Other differences exist in the anatomy of arteries and veins due to their different functions. Veins have thinner walls. They also have valves to prevent the backward flow of blood.

What Can Go Wrong. Sometimes one or more hepatic veins can narrow or get blocked, so blood can’t flow back to your heart. The cause is often a blood clot or growth.. Other things that can block ...

Varicose veins are large, visible, superficial veins, usually seen behind the knee or down the inner part of the leg. To better understand them, you have to understand vein anatomy and function.

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 ...

Recent years have seen an enormous amount of experimental and clinical research into role of the pulmonary veins (PVs) in atrial fibrillation (AF). Advanced imaging techniques have confirmed the ...

There are some effective treatment options available if varicose veins are affecting your everyday life. These options include: Endovenous Laser Ablation Treatment (EVLT) Ligation and stripping ...