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Neurotransmitters

Neurotransmitters

Author: Aaron Mullally
Description:

This lesson will describe neurons communicate when sending a signal through the nervous system.

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Tutorial
Terms to Know
Botox

A bacterial toxin that is often used to smooth facial wrinkles by stopping the release of the neurotransmitter acetylcholine.

Exciting Signals

Signals that trigger an action potential to happen.

Inhibiting Signals

Neurotransmitters that inhibit or prevent action potentials.

Neurotransmitter

The chemical form of a signal that is sent between neurons and muscle cells, gland cells or other neurons.

Postsynaptic Cell

The cell at a synapse to which the neurotransmitter binds.

Presynaptic Cell

The cell at a synapse that stores a neurotransmitter for release.

Synapse

The gap between a neuron and a gland cell, muscle cell and another neuron.