COMMENT

Na passive leak channel

ENDCOMMENT


NEURON {
	SUFFIX naleak
	USEION na READ ena WRITE ina
	RANGE gna, i, ena, ina, accna
}

PARAMETER {
	gna = 0.0274e-3   	(S/cm2)
}


UNITS {
	(mA) = (milliamp)
	(mV) = (millivolt)
	(S) = (siemens)
	(um) = (micron)
} 

ASSIGNED {
	ina 	(mA/cm2)
    accna   (mA/cm2)
    ena     (mV)
    v       (mV)
}

INITIAL {
    accna = 0
}
 

BREAKPOINT {
	ina = gna*(v - ena)
    accna = accna + ina
}