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 (ĭ-lĕk′trŏt′n-əs, ē′lĕk-)
Alteration in excitability and conductivity of a nerve or muscle during the passage of an electric current through it.

e·lec′tro·ton′ic (-trə-tŏn′ĭk) adj.
References in periodicals archive ?
Moreover, electrophysiological studies have shown that the unmyelinated axons of SNs are efferent even though they emerge from the dorsal roots of the spinal cord and are coupled by electrotonic junctions (2, 3, 4, 5, 6).
Physiology and ultrastructure of electrotonic junctions.