Accessory Nerve
Also known asAccessory Nerves · Nerve, Accessory · Nerves, Accessory · Cranial Nerve XI · Eleventh Cranial Nerve · Cranial Nerve, Eleventh · Cranial Nerves, Eleventh · Eleventh Cranial Nerves · Nerve, Eleventh Cranial · Nerves, Eleventh Cranial · Nerve XI · Nerve XIs
Definition
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.
MeSH classification
- A08.800.800.120.060
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Source: NIH MeSH 2026 (D000055) — National Library of Medicine, public domain. View official MeSH record ↗