cricopharyngeus

What Closes The Glottis? Vocalis Increases the thickness of the vocal cords Cricothyroid Lengthens and stretches the vocal cords Lateral cricoarytenoid Closes the glottis Is the glottis an opening to the larynx? The glottis is the opening between the vocal folds Can the Thyroarytenoids open or close the glottis? The CT and TA muscles are