A diagram indicating a neuron transferring an impulse to another neuron is indicated on the top left. An enlarged diagram of the point at which the transfer of impulse occurs is indicated. The parts labeled in the diagram are:
- Axon
- Vesicle
- Axon terminal
- Synaptic cleft
- Neurotransmitter
- Ion channel
- Receptor
- Dendrite of adjacent neuron
The direction of impulse is indicated by an arrow pointing toward the receptor.