synaptic cleft
The narrow gap that separates the presynaptic and postsynaptic membranes, into which neurotransmitter is released.
en-US/sɪˈnæptɪk ˈklɛft/
en-GB/sɪˈnæptɪk ˈklɛft/
The narrow gap that separates the presynaptic and postsynaptic membranes, into which neurotransmitter is released.