Stimulation induced depletion of the synaptic vesicles in excitatory motor nerve terminals of the locust,Locusta migratoria L |
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| Authors: | R P Botham D J Beadle R J Hart C Potter R G Wilson |
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| Institution: | (1) School of Biological Sciences, Thames Polytechnic, SE18 6PF London;(2) The Wellcome Research Laboratories, Berkhamsted Hill, HP4 2QE Berkhamsted, Herts, England;(3) Present address: Wellcome Research Laboratories, Berkhamsted Hill, HP4 2QE Berkhamsted, Herts, England |
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| Abstract: | Summary Neural stimulation at high frequency induced gross changes in the ultrastructural properties and depleted the synaptic vesicles in fast axon terminals of locust extensor tibiae muscles. After a 1-h-rest the synaptic vesicle populations recovered and the ultrastructural properties of these recovering neuromuscular junctions closely resembled those of the controls.Acknowledgment. The authors wish to thank Mr M. J. Parker for invaluable help with the statistical analyses. R. P. Botham gratefully acknowledges the SRC for financial assistance. |
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