Thromboplastin
Thromboplastin ( TPL ) or thrombokinase is a mixture of both phospholipids and tissue factor found in plasma aiding blood coagulation through catalyzing the conversion of prothrombin to thrombin . 
<triplet> Thromboplastin <subj> phospholipids <obj> has part <triplet> phospholipids <subj> Thromboplastin <obj> part of <triplet> tissue factor <subj> blood coagulation <obj> biological process <triplet> prothrombin <subj> blood coagulation <obj> biological process <triplet> thrombin <subj> blood coagulation <obj> biological process