File:Photoreceptor cell.jpg
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[edit]DescriptionPhotoreceptor cell.jpg |
English: The rod and cone photoreceptors signal their absorption of photons via a decrease in the release of the neurotransmitter glutamate to bipolar cells at its axon terminal. Since the photoreceptor is depolarized in the dark, a high amount of glutamate is being released to bipolar cells in the dark. Absorption of a photon will hyperpolarize the photoreceptor and therefore result in the release of less glutamate at the presynaptic terminal to the bipolar cell. When glutamate binds to an ionotropic receptor, the bipolar cell will depolarize on the other hand, binding of glutamate to a metabotropic receptor results in a hyperpolarization, so this bipolar cell will depolarize to light as less glutamate is released. |
Date | |
Source | http://www.scientificanimations.com/wiki-image |
Author | www.scientificanimations.com |
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[edit]This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
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This file, which was originally posted to
http://www.scientificanimations.com/wiki-image, was reviewed on 12 August 2019 by reviewer Explicit, who confirmed that it was available there under the stated license on that date.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 11:01, 17 December 2018 | 1,920 × 1,080 (1.05 MB) | Manu5 (talk | contribs) | Cross-wiki upload from en.wikipedia.org |
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