All indoleamine‐accumulating cells in the rabbit retina contain GABA
@article{Massey1992AllIC,
title={All indoleamine‐accumulating cells in the rabbit retina contain GABA},
author={Stephen C. Massey and Stephen L. Mills and Robert E. Marc},
journal={Journal of Comparative Neurology},
year={1992},
volume={322}
}The indoleamine‐accumulating amacrine cells of the rabbit retina are wide‐field and numerous. They form a dense plexus in sublamina 5 of the inner plexiform layer where they make reciprocal synapses with rod bipolar cells. To provide a quantitative test for the colocalization of serotonin (5‐HT) and γ‐aminobutyric acid (GABA) in the rabbit retina, we designed two parallel double‐label experiments. In the first series, the indoleamine‐accumulating cells were labeled with 5,7‐dihydroxytryptamine…
34 Citations
Catecholamine-, indoleamine-, and GABA-containing cells in the chameleon retina.
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The results confirmed those obtained in the retinas of other lizards except for the presence of interstitial and displaced amacrine cells containing TH or 5HT of which this is the first report.
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The results suggest that surround receptive fields of AII amacrine cells are generated indirectly by the GABAergic, reciprocal feedback synapses from S1/S2 amacine cells to the axon terminals of rod bipolar cells.
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The results suggest that some GABAergic amacrine cells are cholinoceptive, raising the possibility that ACh, acting through nAChRs, can modulate the release of GABA in the rabbit retina.
Localization of GABAA receptors in the rabbit retina
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The distribution of gamma-aminobutyric acidA (GABAA) receptors in the rabbit retina is investigated and compared with the distribution of GABAergic neurons using immunocytochemical methods.…
Surround inhibition of mammalian AII amacrine cells is generated in the proximal retina
- BiologyThe Journal of physiology
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The results suggest that the on‐centre responses of AII cells result from the major excitatory drive from rod bipolar cells, however, the surround receptive fields of A II cells appear to be generated by lateral, inhibitory signals derived from neighbouring GABAergic, on-centre amacrine cells.
Antibody to calretinin stains AII amacrine cells in the rabbit retina: Double‐label and confocal analyses
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It is shown here that AII processes are adjacent to rod bipolar terminals at a level that far exceeds the random overlap present in images in which one label was rotated out of phase, and is indicative of synaptic connections.
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