NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,879 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.
- immune system tolerance
- listen (ih-MYOON SIS-tem TAH-leh-runts)
- The failure of the immune system to respond to an antigen that previously caused an immune response.