Neurotransmitter

A neurotransmitter is a chemical used for signalling between neurons. The neurotransmitter is passed between neurons at the synapse across the [synaptic gap]?.

There are many neurotransmitter chemicals; some of the important ones are:

• acetylcholine?
• epinephrine
• dopamine?
• GABA?
• norepinephrine?
• serotonin