1. coagulation factor that is converted to an enzyme that converts prothrombin to thrombin in a reaction that depends on calcium ions and other coagulation factors; [syn: prothrombinase, factor X]
WordNet (r) 3.0 (2006):
factor X
n 1: coagulation factor that is converted to an enzyme that
converts prothrombin to thrombin in a reaction that depends
on calcium ions and other coagulation factors [syn:
prothrombinase, factor X]