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Full Text. The hyoid bone is a horseshoe shaped bone found in the neck. Located anteriorly between the mandible and the thyroid cartilage, the hyoid bone protects the esophagus and also facilitates the wide range of muscle activity required for speaking and swallowing. It is visible upon extension of the neck.
The hyoid bone is classed as an irregular bone and consists of a central part called the body, and two pairs of horns, the greater and lesser horns.he greater and lesser horns (Latin: cornu) are two sections of bone that project from the hyoid.