vagus nerve(redirected from CN X)
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Either of the tenth and longest of the cranial nerves, passing through the neck and thorax into the abdomen and supplying sensation to part of the ear, the tongue, the larynx, and the pharynx, motor impulses to the vocal cords, and motor and secretory impulses to the abdominal and thoracic viscera. Also called pneumogastric nerve.
[New Latin (nervus) vagus, wandering (nerve), from Latin.]
A long nerve that passes from the brain to the face, trunk, and abdomen. It controls the muscles of the larynx (voice box), stimulates digestion, and regulates the heartbeat. The vagus nerve is a cranial nerve.
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|Noun||1.||vagus nerve - a mixed nerve that supplies the pharynx and larynx and lungs and heart and esophagus and stomach and most of the abdominal viscera|
cranial nerve - any of the 12 paired nerves that originate in the brain stem