The cricoid cartilage is a ring-shaped structure located in the neck, forming part of the larynx. It sits below the thyroid cartilage and above the trachea, providing support and maintaining the airway's shape. This cartilage is the only complete ring of cartilage in the respiratory tract, which helps protect the vocal cords and facilitates breathing. In addition to its structural role, the cricoid cartilage serves as an attachment point for various muscles and ligaments involved in voice production and breathing. Its unique shape allows for flexibility and movement during swallowing and speaking, making it essential for normal respiratory function.