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Neurotransmitters
Location and Function
| Neurotransmitter | Location | Function |
|---|---|---|
| Dopamine | substantia nigra (brain tissue) | -- |
| Norepinephrine | PNS (sympathetic neurons) ; CNS | -- |
| Amino Acids | CNS ; PNS | Excitatory / Inhibitory |
| GABA | Brain | Inhibitory |
| ACh | Parasympathetic (postganglionic) | Excitatoy / Inhibitory |
| Endorphins | -- | Block pain transmission |