Lab 20 - Image 4

Reflection of the epiglottis (1) to expose the palatopharyngeal fold (2) which is continuous with the caudal end of the soft palate (3). Right and left palatopharyngeal folds are united caudally (4). 5, orifice of auditory tube = entrance to guttural pouch; 6, nasopharynx; 7, interior of guttural pouch; 8, longus capitis m.; 9, palatine tonsil; 10, arytenoid cartilage covered with mucosa; 11, entrance to laryngeal ventricle; 12, midline section of cricoid cartilage; 13, cricoarytenoideus dorsalis muscle..