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Dictionary of Cancer Terms

View in Spanish: Sistema enzimático P450 citocromo

Cytochrome P450 enzyme system (SY-tuh-krome EN-zime SIS-tem)
A group of enzymes involved in drug metabolism and found in high levels in the liver. These enzymes change many drugs, including anticancer drugs, into less toxic forms that are easier for the body to excrete.

Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.