Example image of eyePlorer eyePlorer map for 'Action potential': Excitable cell Excitable membrane Membrane potential Myocyte Neuron Voltage-gated ion channel Axon Voltage Axon hillock Depolarization Sodium Sodium channel Potassium Potassium channel Ion Resting potential Hyperpolarization Positive feedback Electrotonic potential Receptor potential Synaptic potential Tandem pore domain potassium channel Ion transporter Acetabularia Algae Calcium Cardiac action potential Chloride Nodes of Ranvier Saltatory conduction Axon terminal Chemical synapse Neurotransmitter Pyramidal cell Spike-timing-dependent plasticity Electric field Molecular diffusion Cell membrane Integral membrane protein Ion channel Reversal potential Protein structure Ligand (biochemistry) Sensory nerve Concentration Active transport Magnesium Ouabain Nernst equation Coulomb