NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,855 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.
- listen (hee-MAH-lih-sis)
- The breakdown of red blood cells. Some diseases, medicines, and toxins may cause red blood cells to break down more quickly than usual.