trochlear nerve


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, in the meaning defined above

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The first known use of trochlear nerve was circa 1858

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Cite this Entry

“Trochlear nerve.” Dictionary, Merriam-Webster, Accessed 4 Dec. 2020.

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trochlear nerve


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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