Factor XIa
Synonyms
Activated Factor XI
Blood Coagulation Factor XI, Activated
Coagulation Factor XIa
Contact Activation Product
Factor XI, Activated
Factor XIa, Coagulation
XIa, Coagulation Factor
Activated form of factor XI. In the intrinsic pathway, Factor XI is activated to XIa by factor XIIa in the presence of cofactor HMWK; (HIGH MOLECULAR WEIGHT KININOGEN). Factor XIa then activates factor IX to factor IXa in the presence of calcium.
See Also