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What does OPN stand for?

OPN stands for oculomotor parasympathetic nerve


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Cranial Nerve 3 (CNIII) is also known as the oculomotor nerve, and it contains motor and parasympathetic fibers that control most movements of the eye, as well as eyelid movement and pupil reflexes. Learn about the anatomy of this nerve, as well as what can happen when the nerve is damaged.