## Abstract A population of ON cone bipolar cells is not coupled to AII amacrine cells. Neurobiotin (red) diffusion away from an injected AII amacrine cell (top right) at the level of bipolar cell somas in the inner nuclear layer of the rabbit retina. The somas of all depolarizing bipolar cells wer
Differential output of the high-sensitivity rod photoreceptor: AII amacrine pathway
✍ Scribed by Artemis Petrides; E. Brady Trexler
- Publisher
- John Wiley and Sons
- Year
- 2008
- Tongue
- English
- Weight
- 262 KB
- Volume
- 507
- Category
- Article
- ISSN
- 0021-9967
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✦ Synopsis
Abstract
A population of ON cone bipolar cells is not coupled to AII amacrine cells. Neurobiotin (red) diffusion away from an injected AII amacrine cell (top right) at the level of bipolar cell somas in the inner nuclear layer of the rabbit retina. The somas of all depolarizing bipolar cells were labeled with antisera to G~0α~ (green), and rod bipolars are labeled with antisera to PKCα (blue). G~0α~‐outlined somas without PKCα or Neurobiotin are non‐coupled ON cone bipolar cells. J. Comp. Neurol. 507:1653–1662, 2008. © 2008 Wiley‐Liss, Inc.
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## Abstract In the mammalian retina, the scotopic threshold of ganglion cells is in part dependent on how rod inputs are summed by their presynaptic cone bipolar cells. For ON cone bipolar cells, there are two anatomical routes for rod signals: 1) cone photoreceptors receive inputs via gap junction