Synaptic mechanisms of bipolar cell terminals - PubMed (original) (raw)
Synaptic mechanisms of bipolar cell terminals
G Matthews. Vision Res. 1999 Jul.
Free article
Abstract
Giant synaptic terminals of goldfish bipolar neurons allow direct studies of presynaptic mechanisms underlying neurotransmitter release and its modulation. Calcium influx via L-type calcium channels of the terminal triggers synaptic vesicle exocytosis, which can be monitored in isolated terminals by means of the associated changes in membrane capacitance. Information about the kinetics and calcium dependence of synaptic exocytosis has been obtained from capacitance measurements in these ribbon-type synaptic terminals.
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