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Accessory Nerve MeSH Descriptor Data 2023

MeSH Heading
Accessory Nerve
Tree Number(s)
Unique ID
RDF Unique Identifier
neoplasm = ACCESSORY NERVE DISEASES (IM) + CRANIAL NERVE NEOPLASMS (IM) + histological type of neoplasm (IM)
Scope Note
The 11th cranial nerve which originates from NEURONS in the MEDULLA and in the CERVICAL SPINAL CORD. It has a cranial root, which joins the VAGUS NERVE (10th cranial) 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.
Entry Term(s)
Cranial Nerve XI
Eleventh Cranial Nerve
Nerve XI
Nervus Accessorius
Spinal Accessory Nerve
NLM Classification #
WL 330
Entry Combination
injuries:Accessory Nerve Injuries
Date Established
Date of Entry
Revision Date
Accessory Nerve Preferred
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