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.

autoantibody
(AW-toh-AN-tee-BAH-dee)
An antibody made against substances formed by a person’s own body. Autoantibodies can directly destroy cells that have the substances on them or can make it easier for other white blood cells to destroy them. Some autoimmune diseases are caused by autoantibodies.