Structures of the upper respiratory tract (sagittal section)Online version Label by Vanessa Klassen 1 Nasal Conchae Superior 2 Nasal Conchae Middle 3 Nasal Conchae Inferior 4 Nasal Meatus Superior 5 Nasal Meatus Middle 6 Nasal Meatus Inferior 7 Frontal Sinus 8 Sphenoid Sinus 9 Cribriform plate of ethmoid bone 10 Pharyngeal Tonsil 11 Hard palate 12 Nasopharynx 13 Soft Palate 14 Uvula 15 Palatine tonsil 16 Oropharynx 17 Epiglottis 18 Laryngopharynx 19 Esophagus 20 Lingual tonsil 21 Hyoid bone 22 Thyroid cartilage 23 Larynx 24 Vocal folds 25 Trachea