The retinal nerve fiber layer contains the axons of which cells?

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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

The retinal nerve fiber layer contains the axons of which cells?

Explanation:
The retinal nerve fiber layer is formed by the unmyelinated axons of retinal ganglion cells as they travel from the retina toward the optic nerve. The cell bodies of these neurons reside in the ganglion cell layer, and their axons bundle together to form the RNFL, eventually exiting the eye through the optic disc. Photoreceptors lie in the outer retina and connect to bipolar and horizontal cells; their processes do not run in the RNFL. So the axons found in this layer come from ganglion cells, not photoreceptors or the other interneurons.

The retinal nerve fiber layer is formed by the unmyelinated axons of retinal ganglion cells as they travel from the retina toward the optic nerve. The cell bodies of these neurons reside in the ganglion cell layer, and their axons bundle together to form the RNFL, eventually exiting the eye through the optic disc. Photoreceptors lie in the outer retina and connect to bipolar and horizontal cells; their processes do not run in the RNFL. So the axons found in this layer come from ganglion cells, not photoreceptors or the other interneurons.

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