NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,545 terms related to cancer and medicine.
We offer a widget that you can add to your website to let users look up cancer-related terms. Get NCI’s Dictionary of Cancer Terms Widget.
- allergic response
- listen (uh-LER-jik reh-SPONTS)
- A hypersensitive immune reaction to a substance that normally is harmless or would not cause an immune response in most people. An allergic response may cause harmful symptoms such as itching or inflammation or tissue injury.