oculomotor nerve


Definition of oculomotor nerve

: either of the pair of chiefly motor nerves that comprise the third pair of cranial nerves, arise from the midbrain, and supply four muscles of the eye

First Known Use of oculomotor nerve

1861, in the meaning defined above

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The first known use of oculomotor nerve was in 1861

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Cite this Entry

“Oculomotor nerve.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/oculomotor%20nerve. Accessed 27 January 2020.

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oculomotor nerve


Medical Definition of oculomotor nerve

: either nerve of the third pair of cranial nerves that are motor nerves with some associated autonomic fibers, arise from the midbrain, supply muscles of the eye except the superior oblique and the lateral rectus with motor fibers, and supply the ciliary body and iris with autonomic fibers by way of the ciliary ganglion

called also third cranial nerve

More from Merriam-Webster on oculomotor nerve

Britannica.com: Encyclopedia article about oculomotor nerve

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