Ionic channels: molecular pores of excitable membranes.
D005075:Biological Evolution; D002118:Calcium / Q000378:metabolism; D002462:Cell Membrane / Q000502:physiology*; D002463:Cell Membrane Permeability; D004594:Electrophysiology; D007473:Ion Channels / Q000502:physiology*; D011188:Potassium / Q000378:metabolism; D011950:Receptors, Cholinergic / Q000502:physiology; D011955:Receptors, Drug / Q000502:physiology; D012964:Sodium / Q000378:metabolism
D007473:Ion Channels; D011950:Receptors, Cholinergic; D011955:Receptors, Drug; D012964:Sodium; D011188:Potassium; D002118:Calcium