Home Anatomy Which Two Nerves Are Involved In The Pupillary Reaction?

Which Two Nerves Are Involved In The Pupillary Reaction?

by Lyndon Langley
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Which Two Nerves Are Involved In The Pupillary Reaction

Which Two Nerves Are Involved In The Pupillary Reaction?

CN II, III and central brain stem connections are needed for pupillary light reflex. When one eye is lit up with a bright flash of light it sends signals to the retinal photoreceptors located on its surface which stimulate nerves from there that travel all through your optic nerve back into our brains where they terminate in what’s called pretectum (pretectal nucleus).

Which Cranial Nerve Controls Eye Movement

The oculomotor nerve is one of the most important cranial nerves (CNIII). It allows movement and control over eye muscles, constriction for focusing eyesight as well position on upper eyelid. This awesome system works with other parts to provide sensory functioning.

Which Of The Following Cranial Nerves Carries Only Motor Information?

The trochlear nerve is the motor for eye movements.

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2 comments

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