synaptic vesicle(redirected from Presynaptic vesicle)
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Any of several small, intracellular, membrane-bound vesicles at a synaptic junction of neurons that contain a neurotransmitter.
A membranous sac located within the presynaptic membrane of an axon terminal and containing a neurotransmitter.
See also: vesicle
pertaining to a synapse.
a narrow space between the plasma membranes of the presynaptic and postsynaptic cells.
one located in the axon terminal of a presynaptic cell, containing neurotransmitter substances.