Clearance of extracellular potassium: evidence for spatial buffering by glial cells in the retina of the drone

作者: A.R. Gardner-Medwin , J.A. Coles , M. Tsacopoulos

DOI: 10.1016/0006-8993(81)90169-4

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摘要: Work with ion-selective microelectrodes on the retina of honeybee drone has shown that potassium is released from photoreceptors during activity and enters glial cells. Measurements extracellular voltage gradients indicate that, in this preparation, currents flowing through cells ‘spatial buffer’ pattern account for a large fraction K+ entry active region tissue.

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