Larynx

Definition

The larynx, also known as the voice box, is an organ located in the neck involved in breathing, producing sound, and protecting the trachea. It houses the vocal cords and is crucial for phonation.

5 Must Know Facts For Your Next Test

1. The larynx is situated between the pharynx and the trachea.
2. It plays a critical role in sound production by manipulating pitch and volume through its vocal cords.
3. The larynx protects the lower respiratory tract by closing during swallowing to prevent aspiration.
4. It consists of several cartilages, including the thyroid cartilage which forms the Adam's apple.
5. Laryngitis is an inflammation of the larynx often caused by infection or overuse of vocal cords.

Review Questions

• What are the primary functions of the larynx?
• Where is the larynx located within the respiratory system?
• What structures within the larynx are responsible for sound production?

Related terms

Pharynx: The throat region that connects both nasal and oral cavities to the esophagus and larynx.

Trachea: Also known as the windpipe, it is a tube that connects the larynx to the bronchi of the lungs.

Vocal Cords: Elastic bands of muscle within the larynx that vibrate to produce sound when air passes through them.