1 — Submandibular duct; 2 — Submandibular gland; 3 — Stylohyoid; 4 — Digastric, posterior belly; 5 — Mandible; 6 — Masseter; 7 — Deep part; 8 — Superficial part; 9 = 7 + 8 — Parotid gland; 10 — Parotid capsule; 11 — Masseteric fascia; 12 — Parotid duct; 13 — Accessory parotid gland; 14 — Buccinator; 15 — Molar glands; 16 — Buccal glands; 17 — Labial glands; 18 — Tongue; 19 — Upper lip; 20 — Anterior lingual glands; 21 — Sublingual caruncle; 22 — Lower lip; 23 — Major sublingual duct; 24 — Minor sublingual ducts; 25 — Genioglossus; 26 — Digastric, anterior belly; 27 — Sublingual gland; 28 — Mylohyoid
