Synaptic-cleft
noun, Physiology.
1.
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.
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- Synaptic conduction
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- 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.
- Synaptosome
synaptosome syn·ap·to·some (sĭ-nāp’tə-sōm’) n. A saclike structure containing synaptic vesicles and mitochondria, which breaks away from axon terminals when brain tissue is homogenized under controlled conditions.