The action of styloglossus muscle is______________?
Correct answer: B. Posteriorly retracts the tongue
- A. Protrusion of tongue
- B. Posteriorly retracts the tongue
- C. Depression of tongue
- D. Elevation of tongue
Explanation
Styloglossus pulls the tongue backward and upward, so its principal actions are retraction and elevation. Protrusion is mainly produced by genioglossus, while hyoglossus mainly depresses the tongue.
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