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accessory nerve

noun

, Anatomy.
  1. either one of the eleventh pair of cranial nerves, consisting of motor fibers from the spinal cord that innervate the pharyngeal, trapezius, and sternocleidomastoid muscles, and motor fibers from the brain that join the vagus to innervate the thoracic and abdominal viscera.


accessory nerve

noun

  1. either one of the eleventh pair of cranial nerves, which supply the muscles of the head, shoulders, larynx, and pharynx and the viscera of the abdomen and thorax
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of accessory nerve1

First recorded in 1835–45

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accessory mineralaccessory pigment