8 thoughts on “ Vein ”

1. Medical Definition of vein: any of the tubular branching vessels that carry blood from the capillaries toward the heart and have thinner walls than the arteries and often valves at intervals to prevent reflux of the blood which flows in a steady stream and is in most cases dark-colored due to the presence of reduced hemoglobin.
2. Veins are thin-walled and contain valves that prevent the backflow of blood. All veins except the pulmonary vein carry blood with low levels of oxygen. One of the narrow, usually branching tubes or .
3. A vein along the base of the brain that runs from the cavernous sinus, around the cerebral peduncle, and into the vein of Galen. Tributaries of the basal vein include the anterior cerebral, deep middle cerebral, and striate veins.
4. Vein, in human physiology, any of the vessels that, with four exceptions, carry oxygen-depleted blood to the right upper chamber (atrium) of the heart. The four exceptions—the pulmonary veins—transport oxygenated blood from the lungs to the left upper chamber of the heart.
5. Oct 20,  · A vein is an elastic blood vessel that transports blood from various regions of the body to the heart. Veins are components of the cardiovascular system, which circulates blood to provide nutrients to the cells of the body.
6. Apr 13,  · Veins are a type of blood vessel that return deoxygenated blood from your organs back to your heart. These are different from your arteries, .
7. Nov 11,  · Varicose veins are large, raised, swollen blood vessels that twist and turn. They usually develop in the legs and can be seen through the skin. Spider veins are .
8. Dec 01,  · The first line of treatment for your varicose veins -- those knotty, enlarged, and discolored veins caused by blood pooling in the legs -- usually involves lifestyle changes and compression.