Veins (/veɪn/) are blood vessels in the circulatory system of humans and most other animals that carry blood towards the heart. Most veins carry deoxygenated...

The blood-vein (Timandra comae) is a moth of the family Geometridae. The species was first described by Anton Schmidt in 1931. It has a scattered distribution...

Deep vein thrombosis (DVT) is a type of venous thrombosis involving the formation of a blood clot in a deep vein, most commonly in the legs or pelvis...

The portal vein or hepatic portal vein (HPV) is a blood vessel that carries blood from the gastrointestinal tract, gallbladder, pancreas and spleen to...

The jugular veins are veins that take blood from the head back to the heart via the superior vena cava. The internal jugular vein descends next to the...

sternum. The brachiocephalic veins are the major veins returning blood to the superior vena cava. The left brachiocephalic vein is about 6cm, more than twice...

formation of a blood clot inside a blood vessel, obstructing the flow of blood through the circulatory system. When a blood vessel (a vein or an artery)...

pulmonary veins are the veins that transfer oxygenated blood from the lungs to the heart. The largest pulmonary veins are the four main pulmonary veins, two...

alternative path for blood to the right atrium when either of the venae cavae is blocked. The azygos vein transports deoxygenated blood from the posterior...

Portal vein thrombosis (PVT) is a vascular disease of the liver that occurs when a blood clot occurs in the hepatic portal vein, which can lead to increased...