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test 3 with plates - THE CIRCULATORY SYSTEM(includes...

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74 THE CIRCULATORY SYSTEM (includes Drills #70-82)
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75 Plate 7
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76 The circulatory system, also called the cardiovascular system, is the subject of this lesson. Be prepared to learn terms that relate to the heart, arteries, veins, and circulation in general. After you have had a chance to acquaint yourself with the word parts relating to the physiology of the circulatory system, a list of some important words having to do with circulatory pathology and therapy will be presented. Capillary : (from Latin capillaris = hairlike) Capillaries are minute blood vessels that connect the smallest arteries (i.e. arterioles) with the smallest veins (i.e. venules). Artery : (from Greek art ē ria = windpipe) One of the vessels carrying blood from the heart (i.e. oxygenated) to the tissues. The Greeks believed that air circulated in them, from which supposition the name artery was derived. Ventricle : (from Latin ventriculus = a little belly [compare ventral, from Lain venter , "belly"]) The two lower chambers of the heart which, when filled with blood, contract to propel it into the arteries. The right ventricle forces blood into the pulmonary artery and thence into the lungs; the left ventricle forces blood through the aorta. Atrium : (from Latin atrium = corridor) General meaning is cavity or sinus. In regard to the heart, it means the upper chamber of each half of the heart. The right atrium receives deoxygenated blood from the entire body (except lungs) through the superior and inferior venae cavae and coronary sinus; the left atrium receives oxygenated blood from the lungs through the pulmonary veins. Blood passes to the ventricles through the atrioventricular orifices. (vena cava = hollow vein). Pulmonary : Pertaining to or concerning the lungs. The pulmonary vein carries oxygenated blood to the heart. Vein : (Latin vena = vein) The veins are vessels carrying unaerated blood to the heart, except for the pulmonary vein described above. Do Computer Drills #70, 71, 72
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77 Important terms for the Circulatory System aneurysm Localized abnormal dilatation of a blood vessel (from Greek aneurusma = a widening) angiocardiography Roentgenography of the heart and great vessels after intravenous injection of a radiopaque diagnostic solution. anticoagulant Delaying or preventing blood coagulation. Also an agent that delays or prevents blood coagulation. antipyretic An agent that reduces febrile temperatures (from Greek puretos = fever). aplastic Pertaining to aplasia; having deficient or arrested development (from Greek plastikos = shaped). apical Pertaining to the apex (tip or summit). arteriogram X-ray picture of an artery that contains a radiopaque dye. atherosclerosis A form of arteriosclerosis in which there are localized accumulations of lipid-containing material (atheromas) within or beneath intimal surfaces of blood vessels. (from Greek ath ē r ē = porridge - an atheroma is a fatty degeneration or thickening of the wall of the larger arteries).
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