1. An enzyme that breaks down fibrin, a protein involved in blood clotting, thereby dissolving blood clots.
Usage: medical/biochemistry term; also called plasmin in its active form

Examples

• Fibrinolysin is used in some thrombolytic therapies to dissolve dangerous blood clots.
• The body naturally produces fibrinolysin to prevent excessive clot formation.
• Researchers studied how fibrinolysin breaks down the fibrin matrix in wound healing.
• Certain medications enhance fibrinolysin activity to treat heart attacks and strokes.