thrombosis

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thrombosis

thrombosis , obstruction of an artery or vein by a blood clot (thrombus). Arterial thrombosis is generally more serious because the supply of oxygen and nutrition to an area of the body is halted. Thrombosis of one of the arteries leading to the heart (heart attack; see infarction ) or of the brain ( stroke ) can result in death and, in a vessel of the extremities, may be followed by gangrene . Acute arterial thrombosis often results from the deposition of atherosclerotic material in the wall of an artery, which gradually narrows the channel, precipitating clot formation (see arteriosclerosis ). A thrombus that breaks off and circulates through the bloodstream is called an embolus .

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"thrombosis." The Columbia Encyclopedia, Sixth Edition. 2008. Encyclopedia.com. 25 Nov. 2009 <http://www.encyclopedia.com>.

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thrombosis

A Dictionary of Food and Nutrition | 2005 | | Â© A Dictionary of Food and Nutrition 2005, originally published by Oxford University Press 2005. (Hide copyright information) Copyright

thrombosis Formation of blood clots in blood vessels.

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DAVID A. BENDER. "thrombosis." A Dictionary of Food and Nutrition. 2005. Encyclopedia.com. 25 Nov. 2009 <http://www.encyclopedia.com>.

DAVID A. BENDER. "thrombosis." A Dictionary of Food and Nutrition. 2005. Encyclopedia.com. (November 25, 2009). http://www.encyclopedia.com/doc/1O39-thrombosis.html

DAVID A. BENDER. "thrombosis." A Dictionary of Food and Nutrition. 2005. Retrieved November 25, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O39-thrombosis.html

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thrombosis

A Dictionary of Biology | 2004 | Â© A Dictionary of Biology 2004, originally published by Oxford University Press 2004. (Hide copyright information) Copyright

thrombosis The obstruction of a blood vessel by a mass of blood cells and fibrin (thrombus), which can result from excessive blood clotting.

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"thrombosis." A Dictionary of Biology. 2004. Encyclopedia.com. 25 Nov. 2009 <http://www.encyclopedia.com>.

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"thrombosis." A Dictionary of Biology. 2004. Retrieved November 25, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O6-thrombosis.html

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