Abstract
THE axons of some insect species are unusual in their ability to function for appreciable periods in intact ganglia and connectives bathed in sodium-deficient media1–3. The action potentials of axons of the cockroach, Periplaneta americana, and those of stick insects, Carausius morosus, appear, nevertheless, to be mediated by conventional sodium-dependent mechanisms2–4. In both these species desheathing the nerves or ganglia before bathing in sodium-free solutions leads to a rapid decline in excitability1–3,5, suggesting that in intact preparations there is a regulation of the sodium concentration in the fluid immediately bathing the axonal surfaces.
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LANE, N., TREHERNE, J. Peroxidase Uptake by Glial Cells in Desheathed Ganglia of the Cockroach. Nature 223, 861–862 (1969). https://doi.org/10.1038/223861a0
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DOI: https://doi.org/10.1038/223861a0
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