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. 2013 Sep 30;591(Pt 22):5491–5508. doi: 10.1113/jphysiol.2013.261115

Table 1.

Steady-state activation and inactivation variables and time constants for voltage-dependent ionic channels

Ionic channels m(V) (V in millivolts) h(V) (V in millivolts) τm(V) (in milliseconds) τh(V) (in milliseconds)
Fast sodium Na Inline graphic τmNa= 0
Inline graphic Inline graphic
Persistent sodium NaP Inline graphic τmNaP= 0
Inline graphic Inline graphic
Potassium rectifier K Inline graphic Inline graphic
hK= 1