Larynx Anatomy Physiology Department of Otolaryngology Head and Department of Otolaryngology Head and Neck SurgeryNeck Surgery May 25 2012May 25 2012 Larynx Adam s apple v The larynx is a protective valve in the form of a box which is open above and below and positioned immediately anterior to the esophageal inlet and the cervical spine v It is composed of many cartilages delicate muscles liagments and tendons and its internal surface is lined by a smooth mucous membrane ANATOMY vCartilages and bones vMuscles liagments and membranes vInnervation blood supply and lymphatic drainage cartilages It is composed of many cartilages vThyroid cartilage vCricoid cartilage vArytenoid vCorniculate vCuneiform vEpiglottis