On the origins of the slow PIII potential of the skate ERG

On the origins of the slow PIII potential of the skate ERG

The authors attempted in these experiments to examine the ionic and cellular bases of the slow PIII potential in skate (Raja erinacea or R. oscellata ). Eyecup or isolated retina preparations were superfused with Ringer solutions containing drugs that (a) altered Mueller-cell morphology, or (b) affe...

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Veröffentlicht in:The Biological bulletin (Lancaster) 1981-01, Vol.161, p.349-349
Hauptverfasser: Mehaffey, L III, Szamier, R B, Chappell, R L, Ripps, H, Halvorson, L M, Taatjes, D J
Format: Artikel
Sprache:eng
Schlagworte:
Marine
Raja erinacea
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Zusammenfassung:The authors attempted in these experiments to examine the ionic and cellular bases of the slow PIII potential in skate (Raja erinacea or R. oscellata ). Eyecup or isolated retina preparations were superfused with Ringer solutions containing drugs that (a) altered Mueller-cell morphology, or (b) affected potassium conductance channels. In sum, the results indicate intact Mueller cells are not essential to the generation of slow PIII, but the response appears to be dependent upon light-evoked changes in (K super(+)) sub(0).
ISSN:0006-3185