I — Tracheal cartilages; 2 — Cricoid cartilage, lamina of cricoid cartilage; 3 — Posterior crico-arytenoid; 4 — Oblique arytenoid; 5 — Transverse arytenoid; 6 — Laryngeal ventricle; 7 — Epiglottic tubercle; 8 — Cuneiform tubercle; 9 — Triticeal cartilage; 10 — Hyoid bone, lesser horn;
II — Epiglottis; 12 — Hyoid bone, greater horn; 13 — Cuneiform cartilage; 14 — Thyroid cartilage, superior horn; 15 — Vestibular fold;
16 — Corniculate cartilage; 17 — Arytenoid cartilage; 18 — Vocal fold; 19 — Vocalis; 20 — Cricothyroid; 21 — Lateral crico-arytenoid
