TT na-ezo aka n'oge ọbara na-agbakọta mgbe etinyere thrombin a na-ahazi na plasma. N'ụzọ nkịtị nke coagulation, thrombin e mepụtara na-agbanwe fibrinogen ka ọ bụrụ fibrin, nke TT nwere ike igosipụta. N'ihi na ngwaahịa mmebi fibrin (proto) (FDP) nwere ike ịgbatị TT, ụfọdụ ndị na-eji TT dị ka ule nyocha maka sistemụ fibrinolytic.