factor XII

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factor XII

[′fak·tər ′twelv]
(biochemistry)
A blood clotting factor effective experimentally only in vitro; deficient in hemophiliacs. Also known as Hageman factor.
References in periodicals archive ?
Reevaluation of the incidence of thromboembolic complications in congenital factor XII deficiency -- a study on 73 subjects from 14 Swiss families.