Dictionary

trochlear nerve

noun

Definition of TROCHLEAR NERVE

:  either of the fourth pair of cranial nerves that supply some of the eye muscles with motor fibers —called also trochlear

First Known Use of TROCHLEAR NERVE

circa 1858

trochlear nerve

noun    (Medical Dictionary)

Medical Definition of TROCHLEAR NERVE

:  either of the fourth pair of cranial nerves that arise from the dorsal aspect of the brain stem just below the inferior colliculus and supply the superior oblique muscle of the eye with motor fibers

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