factor X

noun \ -ˈten \

Definition of factor X

: a clotting factor that is produced primarily in the liver under the influence of vitamin K and in its activated form is a proteolytic enzyme that converts prothrombin to thrombin in a reaction dependent on calcium ions and phospholipids and accelerated by factor V

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First Known Use of factor x

1954

in the meaning defined above

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Medical Dictionary

factor X

noun \ -ˈten \

medical Definition of factor X

: a clotting factor that is produced primarily in the liver under the influence of vitamin K and in its activated form is a proteolytic enzyme that converts prothrombin to thrombin in a reaction dependent on calcium ions and phospholipids and accelerated by factor V called also Stuart-Prower factor

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