cyclooxygenase
- n either of two related enzymes that control the production of prostaglandins and are blocked by aspirin
- Chances are you've had plenty of dealings with those irksome little enzymes cyclooxygenase 1 and cyclooxygenase 2, better known as cox-1 and cox-2.
- It does so by blocking an enzyme called cyclooxygenase, or COX, that's involved in the manufacture of prostaglandins.