Podcast
Questions and Answers
What is the main structure of the larynx made of?
What is the main structure of the larynx made of?
cartilage
What is the commonly known name for the point at the front of the larynx that can be felt at the front of the neck?
What is the commonly known name for the point at the front of the larynx that can be felt at the front of the neck?
Adam's Apple
The vocal folds are also known as the __________.
The vocal folds are also known as the __________.
vocal cords
Which part is NOT one of the cartilages mentioned in the larynx?
Which part is NOT one of the cartilages mentioned in the larynx?
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What happens when air passes through the narrowed glottis?
What happens when air passes through the narrowed glottis?
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Vocal folds vibrate when they are widely apart.
Vocal folds vibrate when they are widely apart.
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How many times per second do vocal folds usually vibrate in an adult woman's voice?
How many times per second do vocal folds usually vibrate in an adult woman's voice?
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What is produced when vocal folds are tightly closed?
What is produced when vocal folds are tightly closed?
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What type of airflow is primarily responsible for producing speech sounds?
What type of airflow is primarily responsible for producing speech sounds?
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Study Notes
The Larynx
- The larynx is located in the neck.
- It is composed of cartilage, a material similar to bone but less hard.
- The larynx's main structure is made of two large cartilages attached to the top of the trachea.
- The front of the larynx forms a point, known as the Adam's Apple.
- Inside the larynx are the vocal folds, two thick flaps of muscle similar to lips.
- The vocal folds are attached to the thyroid cartilage at the front and the arytenoid cartilages at the back.
- The arytenoid cartilages can move the vocal folds apart or together, changing the glottis opening.
- The glottis is the opening between the vocal folds.
- When the vocal folds are apart, the glottis is open.
- When the vocal folds are pressed together, the glottis is closed.
Different States of the Vocal Folds
- Wide Apart: Vocal folds are wide apart during normal breathing and voiceless consonants like p, f, s.
- Narrow Glottis: Air passing through a narrowed glottis creates a voiceless glottal fricative sound (h).
- Position for Vocal Fold Vibration: When vocal fold edges touch or nearly touch, air passing through causes vibration. Air pressure from the lungs pushes them apart, causing a slight escape of air. This rapid opening and closing happens repeatedly, resulting in vocal fold vibration.
- Vocal Folds Tightly Closed: Vocal folds are pressed together, preventing air passage. This creates a glottal stop or glottal plosive (?).
Respiration and Voicing
- An egressive pulmonic airstream is created when air is pushed out of the lungs.
- All speech sounds are made with air movement, with the egressive pulmonic airstream being the most common in languages worldwide.
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Description
Explore the anatomy of the larynx, its structure, and the function of vocal folds. This quiz covers key concepts related to the larynx's components, such as the Adam's Apple and the glottis, as well as different states of the vocal folds during breathing and speech. Test your knowledge about the intricate workings of this essential part of the respiratory system.
