THANH QUẢN

THE UNIVERSITY TRAINING CENTER FOR HEALTH CARE PROFESSIONAL OF HCMC DEPARTMENT OF ANATOMY THE LARYNX Lecturer KHOA TRAN DANG, M.D THE LARYNX THE LARYNX THE LARYNX THE LARYNX THE LARYNX THE LARYNX THE LARYNX THE LARYNX THE LARYNX THE LARYNX THE LARYNX Vocal Fold- histology are made up of five layers: ace "skin" of the the larynx, which is continuous with the lining and with the trachea below the larynx e distinct layers, each with a different consistency a jelly-like substance, close to the surface r: an elastic, fibrous substance, like rubber bands er: ead-like collagenous fiber layer ain body of the vocal fold, and very stiff main Voice Production  Initiation - Steps • Tension develops in cords • Adduction of cords to midline • Phonatory attack phase • Production of airflow from lungs • Increased subglottic pressure THE LARYNX Laryngeal Functions  Respiration • cough production, increase intrathoracic pressure, valsalva maneuver  Degluttition • prevents aspiration  Phonation • develops subglottic pressure, modifies air flow THE LARYNX THE LARYNX THE LARYNX THE LARYNX THE LARYNX THE LARYNX THE LARYNX THE LARYNX THANK YOU FOR YOUR ATTENTION ! All details, please contact me: Website: www.drkhoatran.com Email : khoatrandr@yahoo.com / contact@drkhoatran.com Office phone : 8632-824 Cellular phone : 094- 687- 7986