factor XII
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Related to Factor xii deficiency: Factor XIII deficiency, Factor xi deficiency, Factor VIII deficiency
factor XII
[′fak·tər ′twelv] (biochemistry)
A blood clotting factor effective experimentally only in vitro; deficient in hemophiliacs. Also known as Hageman factor.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.