The Voice Foundation
|Anatomy and Physiology of Voice Production: Highlights|
Anatomy and Physiology of Voice Production: Highlights
Key Glossary Terms
Highly specialized structure atop the windpipe responsible for sound production, air passage during breathing and protecting the airway during swallowing
Vocal Folds (also called Vocal Cords)
"Fold-like" soft tissue that is the main vibratory component of the voice box; comprised of a cover (epithelium and superficial lamina propria), vocal ligament (intermediate and deep laminae propria), and body (thyroarytenoid muscle)
Glottis (also called Rima Glottides)
Opening between the two vocal folds; the glottis opens during breathing and closes during swallowing and sound production
Understanding Voice DisordersKnowing how normal voice is produced and the roles the voice box and its parts play in speaking and singing helps patients understand their voice disorders
Voice "As We Know It"
The "spoken word" results from three components of voice production: voiced sound, resonance, and articulation.
Speaking and singing involve a voice mechanism that is composed of three subsystems. Each subsystem is composed of different parts of the body and has specific roles in voice production.
Three Voice Subsystems
Key Function of the Voice Box
The key function of the voice box is to open and close the glottis (the space between the two vocal folds).
Key Components of the Voice Box
Abnormalities or Changes in the Vibratory System Result in Voice Disorders
Breakdowns can occur in any one or all three subsystems of voice production. This patient education series focuses on voice disorders, specifically breakdowns in the vibratory system.