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After neurotransmitters are synthesized, they are packaged and stored in vesicles.

Neurons are cells that are specialized to receive, propagate, and transmit electrochemical impulses.

In the human brain alone, there are over eighty billion neurons.

Cellular neuroscience is the study of neurons at a cellular level.

This includes morphology and physiological properties of single neurons.

The Hodgkin–Huxley model of an action potential in the squid giant axon has been the basis for much of the current understanding of the ionic bases of action potentials.