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Axillary Vein - The venous trunk of the upper limb; a continuation of the basilar and brachial veins running from the lower border of the teres major muscle to the outer border of the first rib where it becomes the subclavian vein. |
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Azygos Vein - A vein which arises from the right ascending lumbar vein or the vena cava, enters the thorax through the aortic orifice in the diaphragm, and terminates in the superior vena cava. |
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Brachiocephalic Veins - Large veins on either side of the root of the neck formed by the junction of the internal jugular and subclavian veins. They drain blood from the head, neck, and upper extremities, and unite to form the superior vena cava. |
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Cerebral Veins - Veins draining the cerebrum. |
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Cranial Sinuses - Large endothelium-lined venous channels situated between the two layers of the dura mater; they are devoid of valves. |
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Femoral Vein - The vein accompanying the femoral artery in the same sheath; it is a continuation of the popliteal vein and becomes the external iliac vein. |
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Hepatic Veins - Veins which drain the liver. |
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Iliac Vein - A vein on either side of the body which is formed by the union of the external and internal iliac veins and passes upward to join with its fellow of the opposite side to form the inferior vena cava. |
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Jugular Veins - Veins in the neck which drain the brain, face, and neck into the brachiocephalic or subclavian veins. |
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Popliteal Vein - The vein formed by the union of the anterior and posterior tibial veins; it courses through the popliteal space and becomes the femoral vein. |
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Portal System - A system of vessels in which blood, after passing through one capillary bed, is conveyed through a second set of capillaries before it returns to the systemic circulation. It pertains especially to the hepatic portal system. |
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Pulmonary Veins - The veins that return the oxygenated blood from the lungs to the left atrium of the heart. |
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Renal Veins - Short thick veins which return blood from the kidneys to the vena cava. |
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Saphenous Vein - The vein which drains the foot and leg. |
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Subclavian Vein - The continuation of the axillary vein which follows the subclavian artery and then joins the internal jugular vein to form the brachiocephalic vein. |
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Venae Cavae - The inferior and superior venae cavae. |
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