phonation /fōnā′shən/ [Gk, phone, sound; L, atio, process] , the production of voice through the vibration of the vocal folds of the larynx coupled with airflow directed upward from the lungs.
phonation /fōnā′shən/ [Gk, phone, sound; L, atio, process] , the production of voice through the vibration of the vocal folds of the larynx coupled with airflow directed upward from the lungs.