What Are The Types Of Veins?

Deep Veins

Deep veins vary in size and supply deep layers of bone and muscle tissue close to a corresponding artery. Deep veins are found far under the skin going through the muscles and running alongside an individual's bones. Blood in the deep veins can move faster and more efficiently than it can in superficial veins because the deep veins are surrounded by muscular tissue that helps the valves squeeze blood toward the heart. The function of the valves inside of the deep veins and the muscular tissues around them is critical because gravity is a constant force against their direction of motion. Deep veins can hold more blood at any given time than the arteries because the venous walls are thinner and more flexible than the arterial walls. Some of the deep veins present in an individual's lower extremities are the internal iliac, pelvic vein, deep femoral vein, external iliac, common iliac, and the popliteal veins. Some deep veins found in the upper extremities include the ulnar vein, axillary vein, radial vein, brachial vein, and subclavian veins.

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