Larynx - Definition


The larynx is located in the throat, follows the pharynx, and is extended by the trachea. It is part of the respiratory system and enables the passage of air at inspiration and expiration. It also plays a role during swallowing to prevent the passage of food into the trachea, called the "wrong pipe". The larynx is finally the main organ of phonation and helps make sounds as it houses the vocal cords and muscles that modulate sound. It is formed of two vocal cords, a bone called the hyoid bone, cartilage, and laryngeal muscles. Sometimes the larynx can become inflamed, often following infection by a bacterium or virus, this is called laryngitis, whose main symptoms, which can vary depending on the form, are coughing and voice modification.
Published by Jeff. Latest update on December 11, 2013 at 04:52 AM by Jeff.
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