NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,938 terms related to cancer and medicine.

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prostaglandin-endoperoxide synthase 2
(PROS-tuh-GLAN-din-EN-doh-peh-ROK-side SIN-thays 2)
An enzyme that speeds up the formation of substances that cause inflammation and pain. It may also cause tumor cells to grow. Some tumors have high levels of prostaglandin-endoperoxide synthase 2 and blocking its activity may reduce tumor growth. Also called COX-2 and cyclooxygenase-2.