excitatory

/ɪkˈsaɪtətɔri/
adjective
  1. Relating to or causing physiological or neural excitation.
    • Excitatory neurotransmitters help send signals between nerve cells.
    • The drug has an excitatory effect on the central nervous system.
    • Excitatory postsynaptic potentials make a neuron more likely to fire.
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