The Cricoid Cartilage is
located inferior to the laryngeal prominence at the level of C6 vertebra. It
is a signet shaped ring with a narrow anterior arch and a broader posterior
The cricoid cartilage is a useful landmark. It indicates the level of the C6 vertebra. It marks the transition point of the pharynx – esophagus, and the larynx – trachea. The common carotid artery may be compressed against the anterior tubercle of C6, and the recurrent laryngeal nerve enters the larynx.