Internal anatomy of the upper airway

Arytenoid cartilage

Cricoid cartilage

Epiglottis

Extrinsic ligament

Extrinsic ligament.

Hyoid bone

Intrinsic ligament

Lesser cornu

Pyriform fossae

Thyroid cartilage

Trachea

Tracheal cartilage

Ventricular fold

Vocal chords