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thrombin
thrombin A proteolytic enzyme, involved in the clotting of blood, that is generated by the conversion of its zymogen prothrombin, the process being activated by the enzyme thromboplastin, in the presence of calcium ions, and other factors. Thrombin acts upon the soluble fibrinogen in blood to produce insoluble fibrin by catalysing the removal of the fibrinopeptides A and B from fibrinogen. See also BLOOD CLOTTING; BLOOD PLASMA.
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MICHAEL ALLABY. "thrombin." A Dictionary of Zoology. 1999. Encyclopedia.com. 13 Feb. 2012 <http://www.encyclopedia.com>. MICHAEL ALLABY. "thrombin." A Dictionary of Zoology. 1999. Encyclopedia.com. (February 13, 2012). http://www.encyclopedia.com/doc/1O8-thrombin.html MICHAEL ALLABY. "thrombin." A Dictionary of Zoology. 1999. Retrieved February 13, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-thrombin.html |
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thrombin
thrombin (throm-bin) n. a substance (coagulation factor) that acts as an enzyme, converting the soluble protein fibrinogen to the insoluble protein fibrin in the final stage of blood coagulation. Thrombin is derived from the inactive substance prothrombin.
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"thrombin." A Dictionary of Nursing. 2008. Encyclopedia.com. 13 Feb. 2012 <http://www.encyclopedia.com>. "thrombin." A Dictionary of Nursing. 2008. Encyclopedia.com. (February 13, 2012). http://www.encyclopedia.com/doc/1O62-thrombin.html "thrombin." A Dictionary of Nursing. 2008. Retrieved February 13, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O62-thrombin.html |
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thrombin
thrombin An enzyme that catalyses the conversion of fibrinogen to fibrin. See blood clotting; prothrombin.
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Cite this article
"thrombin." A Dictionary of Biology. 2004. Encyclopedia.com. 13 Feb. 2012 <http://www.encyclopedia.com>. "thrombin." A Dictionary of Biology. 2004. Encyclopedia.com. (February 13, 2012). http://www.encyclopedia.com/doc/1O6-thrombin.html "thrombin." A Dictionary of Biology. 2004. Retrieved February 13, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O6-thrombin.html |
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thrombin
thrombin Plasma protein involved in the coagulation of blood.
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DAVID A. BENDER. "thrombin." A Dictionary of Food and Nutrition. 2005. Encyclopedia.com. 13 Feb. 2012 <http://www.encyclopedia.com>. DAVID A. BENDER. "thrombin." A Dictionary of Food and Nutrition. 2005. Encyclopedia.com. (February 13, 2012). http://www.encyclopedia.com/doc/1O39-thrombin.html DAVID A. BENDER. "thrombin." A Dictionary of Food and Nutrition. 2005. Retrieved February 13, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O39-thrombin.html |
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thrombin
thrombin see blood clotting . |
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Cite this article
"thrombin." The Columbia Encyclopedia, 6th ed.. 2008. Encyclopedia.com. 13 Feb. 2012 <http://www.encyclopedia.com>. "thrombin." The Columbia Encyclopedia, 6th ed.. 2008. Encyclopedia.com. (February 13, 2012). http://www.encyclopedia.com/doc/1E1-X-thrombin.html "thrombin." The Columbia Encyclopedia, 6th ed.. 2008. Retrieved February 13, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-X-thrombin.html |
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