NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,535 terms related to cancer and medicine.
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- photosensitizing agent
- listen (FOH-toh-SEN-sih-ty-zing AY-jent)
- A drug used in photodynamic therapy. When absorbed by cancer cells and exposed to light, the drug becomes active and kills the cancer cells. Also called photosensitizer.