Which retinal layer contains the cell bodies of photoreceptors?

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Study for the Neurophysiology Test with flashcards and multiple choice questions, each with hints and explanations. Enhance your understanding of cell types, signals, and sensory pathways. Ace your exam!

Multiple Choice

Which retinal layer contains the cell bodies of photoreceptors?

Explanation:
Photoreceptors—rods and cones—have their cell bodies in the outer nuclear layer. This layer sits just inside the photoreceptor outer segments and just outside the outer plexiform layer, where photoreceptors form synapses with bipolar and horizontal cells. The outer plexiform layer is the synaptic zone, while the inner nuclear layer houses the cell bodies of bipolar, horizontal, and amacrine cells, and the ganglion cell layer contains the cell bodies of ganglion cells. Because the somata of photoreceptors reside in this layer, it is the outer nuclear layer.

Photoreceptors—rods and cones—have their cell bodies in the outer nuclear layer. This layer sits just inside the photoreceptor outer segments and just outside the outer plexiform layer, where photoreceptors form synapses with bipolar and horizontal cells. The outer plexiform layer is the synaptic zone, while the inner nuclear layer houses the cell bodies of bipolar, horizontal, and amacrine cells, and the ganglion cell layer contains the cell bodies of ganglion cells. Because the somata of photoreceptors reside in this layer, it is the outer nuclear layer.

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