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 neurotransmitters; some of the important ones are:

• Aminoacids?:
  • from asparagine?:
    • aspartate?
  • from glutamine?:
    • glutamate?
    • GABA?
    • glycine

• Monoamines? (in the order of their synthesis):
  • from phenylalanine?:
    • dopamine?
    • epinephrine
    • norepinephrine?
  • from tryptophan?:
    • serotonin
  • from histidine?:
    • histamine?

• Other:
  • acetylcholine?

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