The cricothyroid ligament is the larger part of the laryngeal membrane, continuing inferiorly as a median or anterior part and twin lateral ligaments. The median cricothyroid ligament is a flat band of white tissue joining the cricoid and thyroid cartilages, while the lateral cricothyroid ligament is also known as the conus elasticus. The larynx (IPA læɹɪŋks) is an organ in the neck of mammals involved in control of breathing, protection of the trachea and sound production. ... A membrane is a thin, typically planar structure or material that separates two environments. ... A biological tissue is a group of biological cells that perform a similar function. ... The cricoid cartilage, or simply cricoid, is the only complete ring of cartilage around the trachea. ...

See also: cricothyroid muscle The cricothyroid muscle attaches to the anterolateral aspect of the cricoid and the inferior cornu and lower lamina of the thyroid cartilage, tilting the thyroid forwards and lengthening the vocal cords. ...