Which retinal layer contains the cell bodies of the rods and cones?

Prepare for the NBEO Ocular Anatomy Posterior Segment and Cranial Nerves Test. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

Which retinal layer contains the cell bodies of the rods and cones?

Explanation:
The cell bodies of the rods and cones reside in the outer nuclear layer. In the retina, photoreceptors have their nuclei packed in this layer, while their inner segments extend toward the inner retina and their outer segments reach toward the retinal pigment epithelium, forming the phototransduction apparatus. The surrounding layers house other cell types: the inner nuclear layer contains bipolar, horizontal, and amacrine cell bodies; the ganglion cell layer holds the cell bodies of retinal ganglion cells. The outer plexiform layer is where photoreceptors synapse with bipolar and horizontal cells, not where the photoreceptor cell bodies are located.

The cell bodies of the rods and cones reside in the outer nuclear layer. In the retina, photoreceptors have their nuclei packed in this layer, while their inner segments extend toward the inner retina and their outer segments reach toward the retinal pigment epithelium, forming the phototransduction apparatus. The surrounding layers house other cell types: the inner nuclear layer contains bipolar, horizontal, and amacrine cell bodies; the ganglion cell layer holds the cell bodies of retinal ganglion cells. The outer plexiform layer is where photoreceptors synapse with bipolar and horizontal cells, not where the photoreceptor cell bodies are located.

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