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Trochlear Nerve Nuclie ,Course and Palsy Notes

Trochlear Nerve

Trochlear Nerve Definition: The trochlear nerve (the fourth cranial nerve, also called the fourth nerve, IV) is a motor nerve (a “somatic efferent” nerve) that innervates a single muscle: the superior oblique muscle of the eye. Trochlear Nerve Nuclie: The nucleus of the trochlear nerve is located in the caudal mesencephalon beneath the cerebral aqueduct. It is immediately below the nucleus of the oculomotor nerve (III) in the rostral mesencephalon. The trochlear nucleus is ... Read More »

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