Last Updated
：2025/11/28
accessory nerve
Noun
Japanese Meaning
高等脊椎動物における第11脳神経（副神経）であり、延髄および上部脊髄から起始し、咽頭、上胸部、背部および肩の筋肉の運動機能を制御する神経。
（ plural ）
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(neuroanatomy) Either of a pair of motor nerves that are the 11th cranial nerve of higher vertebrates, arise from the medulla oblongata and the upper part of the spinal cord, controlling the pharynx and the muscles of the upper chest, back and shoulders.
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accessory nerve
The surgeon carefully preserved the accessory nerve during the neck dissection to prevent shoulder weakness.
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The surgeon carefully preserved the accessory nerve during the neck dissection to prevent shoulder weakness.
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