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.

viral oncolysate
(VY-rul on-KAH-lih-sayt)
An extract made from cancer cells that are infected with a strain of virus that can lyse (break down) cancer cells. The extract contains both cancer cell proteins and virus proteins. Viral oncolysates are being studied as cancer vaccines.