Term
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Definition
| Small branch of an artery. |
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Term
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Definition
| Carries blood away from the heart and toward capillaries, under high pressure. |
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Term
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Definition
| Pressure of blood in the blood vessels; systolic/diastolic |
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Term
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Definition
| Difference between any two blood pressures in the body. Flows from high to low. |
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Term
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Definition
| Carries blood from the arterioles to the venules. Only one layer; tunica intima. |
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Term
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Definition
| Venous blood pressure in right atrium; influences the pressure in the large peripheral veins. |
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Term
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Definition
| Simple squamous epithelial cells that line the inner surface of circulatory and lymphatic vessels. |
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Term
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Definition
| Resistance to blood flow encountered in peripheral arteries. |
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Term
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Definition
| Smooth muscle cells that guard the entrance to the capillaries. |
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Term
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Definition
| Alternate expansion and recoil of the blood vessel wall. |
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Term
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Definition
| Outer layer of blood vessels. |
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Term
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Definition
| Inner layer of endothelium, valves are present in veins. |
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Term
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Definition
| Smooth muscle; thick in arteries, thin in veins. |
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Term
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Definition
| Factors that control changes in diameter of arterioles by changing tension in smooth muscles in the vessel walls. |
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Term
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Definition
| Carries blood toward the heart and away from capilliaries, under low pressure. |
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Term
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Definition
| Small blood vessels that collect blood from capillaries and join to form veins. |
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Term
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Definition
| Circulatory Shock; blood vessel dilation from severe allergic reaction. |
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Term
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Definition
| Abnormal widening of arterial wall. |
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Term
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Definition
| Procedure in which occluded vessels are opened. |
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Term
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Definition
| Hardening of arteries; material build-up on arterial walls, often hardening via calcification. |
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Term
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Definition
| Circulatory shock; from heart failure. |
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Term
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Definition
| Failure of the circulatory system to deliver enough oxygen to body tissue. |
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Term
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Definition
| Light-skinned people look bluish; from low oxygen content in arterial blood. |
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Term
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Definition
| Tissue death (necrosis) that involves tissue decay. |
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Term
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Definition
| Varicose vein in the rectum. |
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Term
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Definition
| HTN; abnormally high blood pressure. |
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Term
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Definition
| Circulatory Shock; from drop in blood volume, blood loss. |
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Term
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Definition
| Reduced flow of blood to tissue resulting in impaired cell function. |
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Term
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Definition
| Death of cells in a tissue; often from ischemia (reduced blood flow). |
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Term
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Definition
| Circulatory shock; from nerve condition that relaxes blood vessels and decreases blood pressure. |
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Term
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Definition
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Term
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Definition
| Blockage of the pulmonary circulation. |
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Term
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Definition
| Circulatory shock; from septicemia (toxins in blood from infection). |
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Term
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Definition
| Device for measuring blood pressure in arteries of a limb. |
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Term
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Definition
| Inflammation of the vein along with blood clotting. |
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Term
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Definition
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Term
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Definition
| Enlarged veins in which blood pools. |
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Term
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Definition
| Death of cardiac muscle cells; from inadequate blood supply. |
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Term
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Definition
| 65% of blood is stored in veins & venules. |
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Term
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Definition
| Smaller than arterioles, lead to capillaries. |
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Term
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Definition
| Transfer of O2 and CO2 in the capillary beds. |
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Term
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Definition
| Narrowing of the blood vessels; increases blood pressure. |
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Term
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Definition
| Widening of blood vessels; decreases blood pressure. |
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Term
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Definition
| Also elastic artery; the Aorta. |
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Term
| Mechanisms of Venous Blood Return |
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Definition
| 1.Strongly beating heart 2.Adequate arterial blood pressure 3.Valves in veins 4.Skeletal muscle pump 5.Respiratory pump |
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Term
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Definition
| Arteries-Arterioles-Metarterioles-Precapillary Sphincters-Capillaries-Venules-Veins |
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Term
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Definition
| Cerebrovascular Accident/stroke; ischemia of brain tissue caused by embolism or hemorrhage. |
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Term
| Factors of Blood Pressure |
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Definition
| 1.Blood volume 2.Strength of heart contractions 3.Heart rate 4.Blood viscosity 5.Peripheral resistance. |
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