NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,811 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.

folliculitis
(fuh-LIH-kyoo-LY-tis)
Inflammation of a follicle (a sac or pouch-like cavity), usually a hair follicle.