factor III

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Noun1.factor III - an enzyme liberated from blood platelets that converts prothrombin into thrombin as blood starts to clot
clotting factor, coagulation factor - any of the factors in the blood whose actions are essential for blood coagulation
References in periodicals archive ?
The FSSC-SA has a five-factor solution: Factor I (fear of danger and death), Factor II (fear of the unknown), Factor III (worries), Factor IV (fear of animals), and Factor V (situational fears).
804 students Reference: The author's studies Table 4: Indexes loaded in factor III Index Row No.
Statistically significant differences were found among the scores obtained by three age groups on factor III.