Cell Component
excitatory synapse
ex·cit·a·to·ry syn·apse
Definitions related to excitatory synapse:
  • A synapse in which an action potential in the presynaptic cell increases the probability of an action potential occurring in the postsynaptic cell.
    Gene Ontology Dictionary
    Gene Ontology Consortium, 2021
  • A synapse in which the firing of the presynaptic cell increases the probability of firing of the postsynaptic cell.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.