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