title: Ionic selectivity of Na and K channels of nerve membranes.
mesh_terms: D000818:Animals; D001001:Anura; D001665:Binding Sites; D002462:Cell Membrane / Q000378:metabolism*; D004553:Electric Conductivity; D008564:Membrane Potentials; D008567:Membranes, Artificial; D010539:Permeability; D011188:Potassium / Q000378:metabolism*; D011901:Ranvier's Nodes / Q000378:metabolism*; D012964:Sodium / Q000378:metabolism*; D013757:Tetraethylammonium Compounds / Q000378:metabolism
chemical_list: D008567:Membranes, Artificial; D013757:Tetraethylammonium Compounds; D012964:Sodium; D011188:Potassium