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

Abstract:

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

journal_name

Brain Res

journal_title

Brain research

authors

Gardner-Medwin AR,Coles JA,Tsacopoulos M

doi

10.1016/0006-8993(81)90169-4

subject

Has Abstract

pub_date

1981-03-30 00:00:00

pages

452-7

issue

2

eissn

0006-8993

issn

1872-6240

pii

0006-8993(81)90169-4

journal_volume

209

pub_type

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