Key to Small Larynx & Trachea - Model T 1 1 Hyoid bone a body b greater horn c lesser horn 2 Thyroid cartilage d superior horn e inferior horn 3 Cricoid cartilage 4 Arytenoid cartilage 5 Corniculate cartilage 6 Cuneiform cartilage 7 Tracheal rings 8 Anterior part of thyrohyoid membrane 9 Lateral part of thyrohyoid membrane 10 Cricothyroid joint capsule 11 Median cricothyroid ligament 12 Cricotracheal ligament 13 Annular ligaments of trachea 14 Posterior tracheal membrane 15 Thyrohyoid muscle 16 Cricothyroid muscle 17 Posterior crico-arytenoid muscle 18 Transverse arytenoid muscle 19 Oblique arytenoid muscle 20 Superior thyroid artery 21 Superior laryngeal artery 22 Superior laryngeal nerve 23 Epiglottis 24 Hyoepiglottic ligament 25 Thyroepiglottic ligament 26 Ventricle of Larynx 27 Vestibular folds 28 Vocal folds 29 Vocalis muscle 30 Mucosa of trachea - pseudostratified ciliated columnar epithelium 31 Aryepiglottic folds 32 Piriform recess or piriform fossa |