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GABAA receptors in neurons of the nerve fiber layer in rabbit retina

Published online by Cambridge University Press:  02 June 2009

B. Ehinger  and
C. L. Zucker
B. Ehinger
Affiliation:
Department of Ophthalmology, Lund University Hospital, Lund, Sweden and Schepens Eye Research Institute, and Harvard Medical School, Boston
C. L. Zucker
Affiliation:
Department of Ophthalmology, Lund University Hospital, Lund, Sweden and Schepens Eye Research Institute, and Harvard Medical School, Boston
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Abstract

Two synapse-rich layers are well recognized in the mammalian retina, the inner and outer plexiform layers. However, synapses occur also in other layers, particularly in the innermost nerve fiber layer. These synapses form a tenuous layer at times referred to as the superficial plexiform layer. We have found that staining for GABAA receptors in whole-mounted rabbit retina demonstrates this layer. It is most well developed in the region of the visual streak 2–4 mm below the center of the myelinated streak and is very sparse in other parts. Most or all of the processes in the plexus originate from cells in the ganglion cell layer.

Keywords

RetinaGABAA receptorsRabbitSuperficial plexiform layerRetinal ganglion cells
Type
Short Communication
Information
Visual Neuroscience , Volume 13 , Issue 5 , September 1996 , pp. 991 - 994
Copyright
Copyright © Cambridge University Press 1996

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