WordReference Random House Unabridged Dictionary of American English © 2025
acces′sory nerve′, [Anat.]
  1. Anatomyeither 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. Also called spinal accessory nerve. 
  • 1835–45

'accessory nerve' also found in these entries (note: many are not synonyms or translations):
accessory - cranial nerve - spinal accessory nerve

Forum discussions with the word(s) "accessory nerve" in the title:


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