a. Sublingual gland b. Submandibular gland c. Lingual nerve d. Hypoglossal nerve (XII) e. Glossopharyngeal nerve (IX) f. Geniohyoid muscle g. Hyoglossus muscle h. Styloglossus muscle i. Middle pharyngeal constrictor muscle j. Superior pharyngeal constrictor muscle k. Sternohyoid muscle l. Omohyoid muscle m. Thyrohyoid muscle n. Sternocleidomastoid muscle o. Posterior belly of digastric muscle p. Stylohyoid ligament q. Superior horn of thyroid cartilage r. Common carotid artery s. Internal carotid artery t. Superior thyroid artery u. External carotid artery v. Lingual artery w. Facial artery x. Stylohyoid muscle y. Inferior pharyngeal constrictor muscle z. Mucosa of the mouth