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.

intestinal villi
(in-TES-tih-nul VIH-ly)
Tiny hair-like projections that line the inside of the small intestine. They contain blood vessels and help absorb nutrients.