NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,861 terms related to cancer and medicine.
Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.
- listen (meh-TA-buh-lih-zum)
- The chemical changes that take place in a cell or an organism. These changes make energy and the materials cells and organisms need to grow, reproduce, and stay healthy. Metabolism also helps get rid of toxic substances.