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Figure 5. Block diagram of the hypothetical function of the OHC feedback loop (adapted from Patuzzi et al., 1989). : sound-induced deflection of stereocilia; ME: mechanoelectrical step; EM: electromechanical step; iK+: potassium current through stereocilia channels; : conductance of stereocilia channels; F: force generated by electromotile OHCs.

Figure 5. Block diagram of the hypothetical function of the OHC feedback loop (adapted from Patuzzi et al., 1989). : sound-induced deflection of stereocilia; ME: mechanoelectrical step; EM: electromechanical step; iK+: potassium current through stereocilia channels; : conductance of stereocilia channels; F: force generated by electromotile OHCs.