In the dark,the photoreceptors release an inhibitory neurotransmitter that prohibits bipolar neurons from exciting ganglion neurons.

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In the dark, the photoreceptors release the inhibitory neurotransmitter glutamate, which inhibits bipolar neurons from exciting ganglion neurons. This helps to maintain the baseline level of activity in the visual system and prevents constant firing of ganglion cells in the absence of light stimuli.

In the Dark,the Photoreceptors Release an Inhibitory Neurotransmitter That Prohibits