1 — Oesophagus; 2 — Crico-oesophageal tendon; 3 — Inferior constrictor; 4 — Thyrohyoid membrane; 5 — Middle constrictor; 6 — Chondropharyngeal part; 7 — Hyoglossus; 8 — Stylohyoid ligament; 9 — Stylopharyngeus; 10 — Superior constrictor; 11 — Levator veli palatini; 12 — Pterygoid process, lateral plate; 13 — Tensor veli palatini; 14 — Maxillary tuberosity; 15 — Pterygomandibular raphe; 16 — Styloglossus; 17 — Buccinator; 18 — Maxilla; 19 — Tongue; 20 — Inferior longitudinal muscle; 21 — Genioglossus; 22 — Mandible; 23 — Geniohyoid; 24 — Hyoid bone; 25 — Thyrohyoid; 26 — Thyroid cartilage; 27 — Cricothyroid, straight part; 28 — Cricothyroid, oblique
part; 29 — Cricoid cartilage; 30 — Trachea
