Does the Vagus nerve belong to the Sensory-Somatic or Autonomic system?

1 Answer
Dec 7, 2017


Autonomic nervous system.


  • Vagus is 10th cranial nerve; it is a mixed nerve.

  • It belongs to autonomic nervous system. To be more specific, vagus is parasympathetic outlet.

  • Vagus has very limited sensory role, some sensory fibres arise from root of tongue and epiglottis , etc.

  • It contains motor fibres like all nerves of autonomic system; Branches of motor fibres of vagus extensively supplies respiratory, cardiovascular and gastrointestinal organs . It is the longest cranial nerve.

  • Motor nerve from vagus also controls movement of laryngeal muscles for production of sound.