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20 Cards in this Set
- Front
- Back
tunica adventitia
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tunica externa
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strengthens the vessels and prevents them from being ruptured by the blood pressure
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tunica media
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responsible for dilation and constriction of the vessel
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tunica media
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consists of varying proportions of smooth muscle and elastic fibers
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tunica media
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secretes chemicals that stimulate dilation or constriction of the vessel
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tunica interna
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normally repels blood cells and platelets unless damaged then platelets may adhere to it to form a blood clot
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tunica interna
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vessels that supply the walls of the larger vessels with blood
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vaso vasorum
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usually thickest layer of tunica
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tunica media
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provides vasomotion, changes in diameter of a blood vessel
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tunica media
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anchors the vessel and provides passage for nerves, lymphatic vessels and smaller bllod vessels
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tunica externa
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resistance vessels of the cardiovascular system
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arteries
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artery with thicker tunica media in proportion to lumen
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resistance, small arteries
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short vessels that link arterioles and capillaries
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metaarterioles
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elastic arteries
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conducting, large
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muscular
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distributing, medium
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resistance
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small arteries
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their tunica media contains more smooth muscle than elastic tissue
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medium arteries, distributing or muscular
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their tunica media consists of sheets of elastic tissue interspersed between layers of smooth muscle
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large arteries, or elastic or conducting
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their recoil during ventricular diastole prevents blood pressure from dropping too low and keeps the arterial blood flowing
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large arteries, elastic or conducting
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tissues with high metabolic requirements
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skeletal muscle, liver, kidneys
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