1 — Greater horn of hyoid bone; 2 — Body of hyoid bone; 3 — Hyoglossus; 4 — Geniohyoid; 5 — Transverse muscle; 6 — Mucous membrane of tongue; 7 — Anterior lingual gland; 8 — Lingual septum; 9 — Inferior longitudinal muscle; 10 — Genioglossus; 11 — Chondroglossus; 12 — Lesser horn of hyoid bone; 13 — Mylohyoid; 14 — Middle constrictor, chondropharyngeal part; 15 — Styloglossus; 16 — Hyoid bone; 17 — Styloid process; 18 — Palatoglossus; 19 — Dorsum of tongue; 20 — Apex of tongue; Tip of tongue; 21 — Mandible