Synaptic transmission takes place when the electrical neural impulse (action potential)jumps across the fluid-filled synaptic cleft between neurons much like the spark from a sparkplug does in an automobile.

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Synaptic transmission occurs when neurotransmitters are released from the axon terminal of one neuron and bind to receptors on the dendrites or cell body of another neuron. While electrical impulses do travel down the axon of a neuron as action potentials, they do not actually jump across the synaptic cleft.

Synaptic Transmission Takes Place When the Electrical Neural Impulse (Action