Fig. 1. Anatomy of the neck. (A) The positioning of the hyoid bone is at the C4 level and the cricoid cartilage at the C6 level. It highlights the C7 spinous process as the most prominent palpable feature at this region. (B) The valleculae are found between the roots of the tongue and the epiglottis. The boundaries of the pyriform sinus are also shown, bordered laterally by the thyroid cartilage and medially by the aryepiglottic fold, corniculate cartilage, and cuneiform cartilage. (C) The suprahyoid muscles, including the digastric and mylohyoid muscles, and the infrahyoid muscles, including the thyrohyoid, sternothyroid, sternohyoid, and omohyoid muscles, are displayed.
© J. Korean Dysphagia Soc.
pISSN 2233-5978
