Laryngology is a branch of medicine that deals with disorders and injuries of the vocal system, especially the larynx. The larynx is responsible for sound production and swallowing. It is also the entrance to the windpipe,therefore plays a serious role in the airway. Laryngology is associated within the otolaryngology (ear, nose, and throat) that deals with illnesses and damages of the larynx, usually called as a voice box. A laryngologist is a specialist with a special interest in voice, airway, and swallowing syndromes involving the voice box and the throat.