NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,791 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.
- A substance being studied in the treatment of cancer. It blocks cells from making DNA and RNA and may kill cancer cells. It is a type of inosine monophosphate dehydrogenase (IMPDH) inhibitor.