The state change response is detected as result of {TAIL ~ the change} in ionic flow through {HEAD ~ the membrane} 
The state change response is detected as result of { TAIL ~ the change } in ionic flow through { HEAD ~ the membrane }
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD