1 — Mylohyoid; 2 — Digastric, anterior belly; 3 — Submandibular gland; 4 — Cervical fascia; 5 — Submandibular gland, uncinate process; 6 — Parotid gland; 7 — Accessory parotid gland; 8 — Parotid duct; 9 — Submandibular duct; 10 — Sublingual fold; Sublingual gland;
11 — Sublingual caruncle; 12 — Apex of tongue; Tip of tongue; Anterior lingual glands; 13 — Inferior labial glands; 14 — Sublingual gland; 15 — Buccinator, parotid duct; 16 — Buccal fat pad; 17 — Genioglossus, submandibular duct; 18 — Angle of mandible; 19 — Mylohyoid;
Submandibular gland, uncinate process; 20 — Hyoglossus; 21 — Geniohyoid; lingual septum