NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,777 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.

hereditary mutation
(heh-REH-dih-tayr-ee myoo-TAY-shun)
A gene change in a body's reproductive cell (egg or sperm) that becomes incorporated into the DNA of every cell in the body of the offspring. Hereditary mutations are passed on from parents to offspring. Also called germline mutation.