The posterior part of the tongue develops from_________________?
Correct answer: B. Third Arch
- A. First Arch
- B. Third Arch
- C. Second Arch
- D. All of the above
Explanation
The posterior one-third of the tongue develops mainly from the third pharyngeal arch through the hypobranchial eminence. The first arch forms most of the anterior two-thirds, while the second arch is largely overgrown.
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