Rods terminate in which type of synaptic ending?

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Study for the NBEO Ocular Anatomy Posterior Segment and Cranial Nerves Test. Dive into flashcards and multiple-choice questions, with detailed hints and explanations. Prepare confidently for your exam today!

Multiple Choice

Rods terminate in which type of synaptic ending?

Explanation:
Rods terminate in spherical synaptic endings called spherules. In the outer plexiform layer, rod photoreceptors form these rounded terminals that connect with bipolar and horizontal cells, whereas cones end in flat, pedicle-type synaptic endings. This distinction is why spherules are the correct description for rod endings.

Rods terminate in spherical synaptic endings called spherules. In the outer plexiform layer, rod photoreceptors form these rounded terminals that connect with bipolar and horizontal cells, whereas cones end in flat, pedicle-type synaptic endings. This distinction is why spherules are the correct description for rod endings.

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