the small gap, measured in nanometers, between an axon terminal and any of the cell membranes in the immediate vicinity.
synaptic cleft n.
See synaptic gap.
- Synaptic conduction
synaptic conduction n. The conduction of a nerve impulse across a synapse.
- Synaptic gap
synaptic gap n. The minute space between the cell membrane of an axon terminal and of the target cell with which it synapses. Also called synaptic cleft.
- Synaptic vesicle
synaptic vesicle n. Any of several small, intracellular, membrane-bound vesicles at a synaptic junction of neurons that contain the neurotransmitter.
- Synaptinemal complex
synaptinemal complex syn·ap·ti·ne·mal complex (sĭ-nāp’tə-nē’məl) n. A submicroscopic structure interposed between the homologous chromosome pairs during synapsis.