+An **action potential** is a rapid, transient electrical pulse that travels along a cell's [Membrane](/wiki/membrane). This all-or-nothing event allows for swift [Signal Transmission](/wiki/signal_transmission) within the nervous system and muscle cells.
+## See also
+- [Neuron](/wiki/neuron)
+- [Synapse](/wiki/synapse)
+- [Nerve Impulse](/wiki/nerve_impulse)