A member asked:

Does cn vii innervate the tongue?

4 doctors weighed in across 2 answers

The Tongue: Motor innervation of the tongue is the hypoglossal or xii cranial nerve. Pain and temerature (somatosensation) is innervated by the trigeminal or v cranial nerve. Taste (special visceral sensation) is innervated by the chorda tympani which is supplied by the facial or vii cranial nerve in the anterior 2/3rd of the tongue and the glossopharyngeal or ix cranial nerve in the posterior 1/3rd.

Answered 3/30/2014

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Dr. Manami Yamaguchi answered

Specializes in Dentistry

For sensory: Cn vii to the tongue is for sensory function (taste, feel) along with cn v. Motor function (moving tongue) is governed by cn xii.

Answered 3/30/2014

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