Definitions for factor viiia
U.S. National Library of Medicine
Activated form of factor VIII. The B-domain of factor VIII is proteolytically cleaved by thrombin to form factor VIIIa. Factor VIIIa exists as a non-covalent dimer in a metal-linked (probably calcium) complex and functions as a cofactor in the enzymatic activation of factor X by factor IXa. Factor VIIIa is similar in structure and generation to factor Va.
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"factor viiia." Definitions.net. STANDS4 LLC, 2013. Web. 5 Dec. 2013. <http://www.definitions.net/definition/factor viiia>.