Which arch forms the greater horn of the hyoid bone?

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Study for the Pharyngeal Apparatus Test. Dive into multiple choice questions with detailed explanations and hints. Prepare effectively for your exam!

Multiple Choice

Which arch forms the greater horn of the hyoid bone?

Explanation:
The pharyngeal arches leave specific skeletal tracks, and the hyoid bone is built from portions of different arches. The lesser horn and the upper part of the body of the hyoid come from the second arch, while the greater horn and the lower part of the body come from the third arch. The fourth arch isn’t involved in forming the hyoid. So the greater horn is derived from tissue of the third pharyngeal arch, making that the correct source.

The pharyngeal arches leave specific skeletal tracks, and the hyoid bone is built from portions of different arches. The lesser horn and the upper part of the body of the hyoid come from the second arch, while the greater horn and the lower part of the body come from the third arch. The fourth arch isn’t involved in forming the hyoid. So the greater horn is derived from tissue of the third pharyngeal arch, making that the correct source.

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