Aphonia means "no sound.” In other words, a person with this disorder has lost their voice and is unable to communicate vocally.
[4] Minor injuries can affect the second and third dorsal area in such a manner that the lymph patches concerned with coordination become either atrophic or relatively nonfunctioning.
[4] Any injury or condition that prevents the vocal cords - the paired bands of muscle tissue positioned over the trachea - from coming together and vibrating will have the potential to make a person unable to speak.
When a person prepares to speak, the vocal folds come together over the trachea and vibrate due to the airflow from the lungs.
Laryngeal examination will usually show bowed vocal folds that fail to adduct to the midline during phonation.