NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,942 terms related to cancer and medicine.
- natural killer cell
- listen (NA-chuh-rul KIH-ler sel)
A type of immune cell that has granules (small particles) with enzymes that can kill tumor cells or cells infected with a virus. A natural killer cell is a type of white blood cell. Also called NK cell and NK-LGL.