Hyoid bone is a derivative of_______________?
Correct answer: C. Second and third pharyngeal arches
- A. First pharyngeal arch
- B. First and second pharyngeal arches
- C. Second and third pharyngeal arches
- D. Fourth pharyngeal arch
Explanation
The second pharyngeal arch forms the lesser horn and upper body of the hyoid, whereas the third arch forms its greater horn and lower body. Thus, the hyoid has contributions from both arches.
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