n. the introduction into the tissues of positively charged ionized substances (cations) by the use of a direct electric current. See iontophoresis.
n. the technique of introducing through the skin, by means of an electric current, charged particles of a drug, so that it reaches a deep site. The method has been used to transfer salicylate ions through the skin in the treatment of deep rheumatic pain. See also cataphoresis.... iontophoresis
Health Encyclopedia