NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,879 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.

macrophage
(MA-kroh-fayj)
A type of white blood cell that surrounds and kills microorganisms, removes dead cells, and stimulates the action of other immune system cells.