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Accessory Nerve

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Definition: The 11th cranial nerve. The accessory nerve originates from neurons in the medulla and in the cervical spinal cord. It has a cranial root, which joins the vagus (10th cranial) nerve and sends motor fibers to the muscles of the larynx, and a spinal root, which sends motor fibers to the trapezius and the sternocleidomastoid muscles.  neoplasm    Other names Spinal Accessory Nerve; Eleventh Cranial Nerve; Cranial Nerve XI; Spinal Accessory Nerves; Nerves, Eleventh Cranial; Nerve, Spinal Accessory; Nerve, Accessory; Cranial Nerves, Eleventh; Accessory Nerves, Spinal; Accessory Nerve, Spinal; Nerves, Spinal Accessory; Nerves, Accessory; Nerve, Eleventh Cranial; Eleventh Cranial Nerves; Cranial Nerve, Eleventh; Accessory Nerves

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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