accessory nerve

noun

Definition of accessory nerve

: either of a pair of motor nerves that are the 11th cranial nerves of higher vertebrates, arise from the medulla oblongata and the upper part of the spinal cord, and supply chiefly the pharynx and muscles of the upper chest, back, and shoulders

First Known Use of accessory nerve

1682, in the meaning defined above

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The first known use of accessory nerve was in 1682

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Cite this Entry

“Accessory nerve.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/accessory%20nerve. Accessed 15 Jan. 2021.

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More Definitions for accessory nerve

accessory nerve

noun

Medical Definition of accessory nerve

: either of a pair of motor nerves that are the 11th cranial nerves, arise from the medulla and the upper part of the spinal cord, and supply chiefly the pharynx and muscles of the upper chest, back, and shoulders

called also accessorius, accessory, spinal accessory nerve

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