photodynamic /pho·to·dy·nam·ic/ (-di-nam´ik) powerful in the light; used particularly for the action exerted by fluorescent substances in the light.
pho·to·dy·nam·ic (f  t-d -n m  k)adj. 1. Of or relating to the energy of light. 2. Enhancing the effects of or inducing a toxic reaction to light, especially to ultraviolet light. |
photodynamic
activated or made more powerful by light.
photodynamic agent
a substance that is activated by light to cause damage to tissue. It may be exogenous and absorbed preformed from the environment, or endogenous in that it is formed within the body as an abnormal metabolite, e.g. porphyrins, or as a normal metabolite, e.g. phylloerythrin, and accumulate in tissues because of faulty excretion, e.g. in hepatic disease.
photodynamic therapy
the use of photodynamic agents in the treatment of disease.
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