NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,812 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.

azathioprine sodium
(AY-zuh-THY-oh-preen SOH-dee-um)
A drug used to keep a patient from rejecting a transplanted kidney. It is also used in the treatment of rheumatoid arthritis that does not get better with other types of treatment. Azathioprine sodium blocks the growth of white blood cells and the synthesis of DNA, RNA, and protein. It is a type of immunosuppressant.