副ふく神しん経けい

noun

accessory nerve

Anatomical term for the eleventh cranial nerve, which controls certain neck and shoulder muscles.

• 副ふく神しん経けいは、胸きょう鎖さ乳にゅう突とつ筋きんと僧そう帽ぼう筋きんを支し配はいする。

  The accessory nerve innervates the sternocleidomastoid and trapezius muscles.