这个词是什么意思？
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.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D000055 · MeSH 2026。
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