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accessory nerve
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noun Anatomy.
either one of the eleventh pair of cranial nerves, consisting of motor fibers from the spinal cord that innervate the pharyngeal, trapezius, and sternocleidomastoid muscles, and motor fibers from the brain that join the vagus to innervate the thoracic and abdominal viscera.
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Also called spinal accessory nerve.
Origin of accessory nerve
First recorded in 1835–45
Words nearby accessory nerve
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use accessory nerve in a sentence
British Dictionary definitions for accessory nerve
accessory nerve
noun
either one of the eleventh pair of cranial nerves, which supply the muscles of the head, shoulders, larynx, and pharynx and the viscera of the abdomen and thorax
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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