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General Medicine General 760b4603

A 5-day-old infant was born with a laryngeal defect. The greater cornu and the inferior part of the hyoid bone were absent at birth. Failure of development of which of the following embryonic structures most likely led to these defects?

A

Maxillary prominence

B

Mandibular prominence

C

Second pharyngeal arch

D

Third pharyngeal arch

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