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[ahy-on-tuh-fuh-ree-sis] /aɪˌɒn tə fəˈri sɪs/

a painless alternative to drug injection in which a weak electrical current is used to stimulate drug-carrying ions to pass through intact skin.
(biochem) a technique for studying neurotransmitters in the brain by the application of experimental solutions to the tissues through fine glass electrodes

iontophoresis i·on·to·pho·re·sis (ī-ŏn’tə-fə-rē’sĭs)
The use of an electric current to introduce the ions of a medicament into bodily tissues. Also called ionization.
i·on’to·pho·ret’ic (-rět’ĭk) adj.


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