Cell Component
synaptic cleft
syn·ap·tic cleft
Definitions related to synaptic cleft:
  • The narrow gap that separates the presynaptic and postsynaptic membranes, into which neurotransmitter is released.
    Gene Ontology Dictionary
    Gene Ontology Consortium, 2021
  • The space between the presynaptic terminal and the postsynaptic membrane.
    NCI
    U.S. National Cancer Institute, 2021
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