Threshold: The threshold is the critical level of membrane potential that must be reached to initiate an action potential in a neuron.
Action Potential: An action potential is a rapid, all-or-nothing electrical impulse that travels down the axon to transmit information over long distances within the nervous system.
Saltatory Conduction:Saltatory conduction is the propagation of action potentials along myelinated axons where the electrical impulse "jumps" from one Node of Ranvier to the next, significantly increasing transmission speed.
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