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31 Cards in this Set
- Front
- Back
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portion of the nervous system that regulates involuntary action such as heart rate, digestion, and peristalsis
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autonomic nervous system ANS
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thin, flattened structure; term used to describe the leaf-shaped structures that compose the heart valve
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leaflet
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tubular space or channel within any organ or structure of the body; space within an artery, vein, intestine, or tube
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lumen
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back flow or ejecting of contents through an opening
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regurgitation
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circular muscle found in a tubular structure or hollow organ that constricts or dilates to regulate passage of substances though its opening
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sphincter
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narrowing of the lumen of a blood vessel that limits blood flow, usually the result of diseases, medications, or physiological process
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vasoconstriction
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widening of the lumen of the blood vessel caused by the relaxing of the muscles of the vascular walls
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vasodilation
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viscosity
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state of being sticky or gummy
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aneurysm/o
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widened blood vessel
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angi/o
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vessel (usually blood or lymph)
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vascul/o
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vessel (usually blood or lymph)
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aort/o
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vessel (usually blood or lymph)
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arteri/o
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artery
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arteriol/o
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arteriole
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atri/o
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atrium
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ather/o
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fatty plaque
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cardi/o
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heart
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electr/o
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electricity
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embol/o
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embolus (plug)
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hemangi/o
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blood vessel
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my/o
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muscle
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phleb/o
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vein
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ven/o
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vein
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sept/o
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septum
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sphygm/o
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pulse
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sten/o
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narrowing, stricture
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thromb/o
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blood clot
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ventricul/o
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ventricle (of the heart or brain)
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-sphyxia
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pulse
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-stenosis
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narrowing, stricture
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extra-
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outside
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