The therapeutic use of galvanic (direct) electrical currents applied internally within the body for medical treatment.
From Greek 'endo-' (within) plus 'galvanism' (named after physicist Luigi Galvani), describing internal application of direct electrical current for therapy.
Modern medical devices like pacemakers are descendants of early endogalvanism experiments—the idea of using electricity inside the body turned out to be brilliant, just needed better understanding!
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