Thrombin converts circulating fibrinogen to fibrin monomer which polymerises to form fibrin, the fibrous matrix of blood clots. The breaking up of a blood clot. Thrombus A clot in the cardiovascular system formed from constituents of blood. Toxic Effects Responses to drug which are harmful to the health or life of the individual. An abnormal mass of tissue that results from excessive cell division.
Tumours perform no useful body function.
A substance in blood or other body fluids that may suggest that a person has cancer.