Definition of excitatory in English:

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Pronunciation: /ɪkˈsʌɪtət(ə)ri/
Pronunciation: /ɛkˈsʌɪtət(ə)ri/


chiefly Physiology
Characterized by, causing, or constituting excitation: the excitatory action of these impulses
More example sentences
  • Neurosteroids can therefore alter neuronal excitability very rapidly by binding to receptors for inhibitory or excitatory neurotransmitters at the cell membrane.
  • The NMDA receptor is activated by glutamate, the primary excitatory neurotransmitter in the brain.
  • The parasympathetic nervous system is excitatory and results in the contraction of smooth muscle, whereas the sympathetic system inhibits smooth muscle in the digestive system.

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Line breaks: ex¦ci¦ta|tory

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