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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.
Cricoid Cartilage. The cricoid cartilage, more commonly known as the cricoid, is a ring of cartilage surrounding the trachea. It serves to provide an attachment point for various cartilages (including arytenoids cartilage), ligaments, and muscles that are utilized for the processes of speech production and the closing and opening of the airway. Arytenoid Cartilage