The larynx commonly called the voice box, is an organ in the neck of tetrapods involved in breathing, sound production, and protecting the trachea against food aspiration. It manipulates pitch and volume. The larynx houses the vocal cords, which are essential for phonation. They are situated just below where the tract of the pharynx splits into the trachea and the esophagus.

• Thyroid cartilage: This forms the Adam’s apple. It is usually larger in males than in females. The thyrohyoid membrane is a ligament associated with the thyroid cartilage that connects the thyroid cartilage with the hyoid bone.
• Cricoid cartilage: A ring of hyaline cartilage that forms the inferior wall of the larynx.