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Definition of Cox-1
1. Noun. An enzyme that regulates prostaglandins that are important for the health of the stomach lining and kidneys. "An unfortunate side effect of NSAIDs is that they block Cox-1" 
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1. Noun. An enzyme that regulates prostaglandins that are important for the health of the stomach lining and kidneys. "An unfortunate side effect of NSAIDs is that they block Cox-1"