NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,790 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.

functional magnetic resonance imaging
(FUNK-shuh-nul mag-NEH-tik REH-zuh-nunts IH-muh-jing)
A noninvasive tool used to observe functioning in the brain or other organs by detecting changes in chemical composition, blood flow, or both.