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Tongue Muscles

QuestionAnswer
True or false: Tongue muscles are pharyngeal arch muscles. FALSE!
Are tongue muscles derived from somites? Yes
What nerve innervates tongue movement? Hypoglossal
Styloglossus O-Styloid process I- Tongue A- Raises tongue and retracts Inn- Hypoglossal n
Hyoglossus O- Body and greater horn of hyoid bone I- Tongue A- Depress tongue and draws its side downward Inn- Hypoglossal nerve
Genioglossus O- Internal surface of mandible near symphasis I- Lower portion of tongue and body of hyoid bone A- Protracts and depresses tongue Inn- hypoglossal nerve
____ root cranial nerve innervate the tongue. Dorsal
The anterior 2/3 of the tongues is innervated by what? Mandibular nerve(general) and facial nerve(taste)
The posterior 1/3 of the tongue is innervated by what? Glossopharyngeal nerve (general and special), vagus nerve (special taste)
What provides somatic motor innervation to the tongue? Hypoglossal nerve (a ventral root cranial nerve)
Hypoglossal is a _____ root cranial nerve. Ventral
The glossopharyngeal nerve innervates what gland(s)? Parotid
The facial nerve innervates what gland(s)? Lacrimal, sublingual, submandibular
The vagus nerve innervates what gland(s)? Thyroid
Created by: 757405106
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