- The condition resulting from an overexposure to ultraviolet light, or from the combination of exposure to certain wavelengths of light and a phototoxic substance. SEE ALSO: photosensitization. [photo- + G. toxikon, poison]
* * *n.damage caused by prolonged exposure to light; for example, retinal phototoxicity is damage to the retina of the eye as a result of prolonged exposure to light.
* * *pho·to·tox·ic·i·ty (fo″to-tok-sisґĭ-te) [photo- + toxicity] a type of photosensitivity that is induced by a toxic substance, in contrast to a photoallergy. See also phototoxic dermatitis, under dermatitis. phototoxic adj
Medical dictionary. 2011.
Look at other dictionaries:
Phototoxicity — is a phenomenon known in live cell, where illuminating a fluorescent molecule (the fluorescently active site is called a fluorophore) causes the selective death of the cells expressing it. In fluorescence microscopyWhile not completely understood … Wikipedia
phototoxicity — n. damage caused by prolonged exposure to light; for example, retinal phototoxicity is damage to the retina of the eye as a result of prolonged exposure to light … The new mediacal dictionary
phototoxicity — A condition in which the skin or eyes become very sensitive to sunlight or other forms of light. It can be caused by taking certain drugs, or rubbing certain essential oils (scented liquid taken from plants) or other topical agents into the skin … English dictionary of cancer terms
phototoxicity — noun see phototoxic … New Collegiate Dictionary
phototoxicity — See phototoxic. * * * … Universalium
phototoxicity — noun Any adverse effect due to exposure to light, especially such effects on the skin … Wiktionary
phototoxicity — pho·to·toxicity … English syllables
phototoxicity — noun see phototoxic … Useful english dictionary
Afamelanotide — Other names Melanotan Melanotan 1 Melanotan 1 Melanotan I Melanotan I [Nle4, D Phe … Wikipedia
Cinoxacin — Systematic (IUPAC) name 1 Ethyl 1,4 Dihydro 4 oxo [1,3] Dioxolo [4,5 g] Cinnoline 3 Carboxylic Acid Clinical data AHFS/Drugs.com … Wikipedia