NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,032 terms related to cancer and medicine.
- hexyl 5-aminolevulinate
- listen (HEK-sul 5-uh-MEE-noh-LEH-vyoo-LIH-nayt)
- A substance that is used to find and kill tumor cells. It enters tumor cells and becomes activated when exposed to a special type of light. A chemical reaction causes the cells to produce fluorescent light and die.