Increase of sodium concentration near the inner surface of the nodal membrane.
D000818:Animals; D001001:Anura; D001693:Biological Transport, Active; D002463:Cell Membrane Permeability; D004140:Dinitrophenols / Q000494:pharmacology; D066298:In Vitro Techniques; D008094:Lithium / Q000494:pharmacology; D008564:Membrane Potentials / Q000187:drug effects*; D009186:Myelin Sheath / Q000378:metabolism*; D009413:Nerve Fibers, Myelinated / Q000502:physiology; D009474:Neurons / Q000502:physiology*; D009504:Neutrophils / Q000276:immunology; D010042:Ouabain / Q000494:pharmacology; D011188:Potassium / Q000378:metabolism; D011901:Ranvier's Nodes / Q000378:metabolism; D012964:Sodium / Q000378:metabolism*; D013779:Tetrodotoxin / Q000494:pharmacology
D004140:Dinitrophenols; D013779:Tetrodotoxin; D010042:Ouabain; D008094:Lithium; D012964:Sodium; D011188:Potassium