a. Soft palate b. Epiglottis c. Arytenoid cartilage d. Cricoid cartilage e. Nasal septum f. Oesophagus g. Muscle wall of pharynx h. Internal carotid artery i. Internal jugular vein j. Vagus nerve k. Accessory nerve l. Sternocleidomastoid muscle m. Posterior belly of digastric muscle n. Ascending pharyngeal artery o. Sigmoid sinus p. Facial nerve and vestibulocochlear nerve q. Trigeminal nerve r. Optic nerve s. Thyroid gland t. Occulomotor nerve