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 photosensitizing agent.

English dictionary of cancer terms . 2015.

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  • Photosensitizer — In pharmacology, a photosensitizer is a drug, food, or other chemical that increases photosensitivity of the organism. This may be an adverse effect of many drugs, or a desired effect in photodynamic therapy of tumors.In photochemistry, a… …   Wikipedia

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  • photosensitizer — noun see photosensitize …   New Collegiate Dictionary

  • photosensitizer — See photosensitize. * * * …   Universalium

  • photosensitizer — noun A molecular or atomic species that initiates a photochemical reaction …   Wiktionary

  • photosensitizer — pho·to·sen·si·ti·zer (fo″to senґsĭ ti″zər) an agent that causes photosensitization …   Medical dictionary

  • photosensitizer — pho·to·sensitizer …   English syllables

  • photosensitizer — “+ noun : a substance (as a dye) capable of sensitizing a material (as photographic film or paper) to rays to which it is not normally sensitive …   Useful english dictionary

  • Photodynamic therapy — (PDT), matured as a feasible medical technology in the 1980s at several institutions throughout the world, is a third level Clarifyme|date=September 2008 treatment for cancer involving three key components: a photosensitizer, light, and tissue… …   Wikipedia

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