Everything about larynx 00-13-49

Everything about larynx 00-13-49 - About the Voice How...

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Unformatted text preview: About the Voice How does your voice work? This page covers: Anatomy 101: Parts of the Voice Physiology 101: How it Works Anatomy 201: Cartilages and Muscles of the Larynx Anatomy 202: Structure of the Vocal Fold Anatomy 301: The Role of the Nervous System Physiology 201: Vocal Fold Vibration and Pitch Physiology 202: Vocal Fold Vibration and Loudness Acoustics 101: Sound Waves and How they Move Anatomy 101: Parts of the Voice 1. Larynx (pronounced LAIR-inx , not LAHR-nix ) The larynx is the voice box. The vocal folds (also called vocal cords; refer to our explanation to clarify this terminology) are part of the larynx. The vocal folds vibrate to create the sound of the voice. (for more detail see Anatomy 201: Anatomy and Muscles of the Larynx ) 2. Pharynx (pronounced FAIR-inx ) The pharynx is the throat. It goes up from the larynx and divides into the laryngopharynx (just above the larynx), oropharynx (going into the mouth) and nasopharynx (going into the nose). 3. Trachea (pronounced TRAY-key-ah ) The trachea is your windpipe. It's the tube that connects your lungs to your throat. The larynx sits on the top of the trachea. Figure 1: converted by Web2PDFConvert.com Some other nearby organs: 4. Esophagus The esophagus is your food pipe. It's just behind the larynx and trachea. Your pharynx carries both air and food/water. The air goes through the larynx and trachea, and food and water go into your esophagus. 5. Spinal column The spinal column is behind the esophagus. You can feel it by pressing the back of your neck. 6. Diaphragm The diaphragm is underneath the lungs, inside the rib cage. It's shaped like a dome. The diaphragm is your main muscle for controlling respiration (breathing). Figure 2: Vocal FOLDS or Vocal CORDS??? You've probably heard the term "vocal cords" used to describe the part of the body that creates sound for the voice. You've probably also heard the term "vocal folds" in the same context. So what's the difference between the two? Well . . . Vocal folds are the same as vocal cords . The two terms refer to the exact same part of the body performing the exact same functions. The term "vocal cords" is less technically correct but more often used among singers and laypersons. Why, then, do voice scientists and otolaryngologists refer to them as vocal folds ? If you refer to Anatomy 202 "Structure of the Vocal Folds" you'll see that years ago, vocal folds were thought of as being two cords stretched across the airway, like strings on a piano (hence the term "cords"). Now we know that vocal folds are multilayered folds of tissue that are continuous converted by Web2PDFConvert.com with other tissues in the throat. Therefore, vocal "folds" is a more accurate term, but it's OK with us if you call them vocal cords. Just don't get confused and call them vocal "chords!" Physiology 101: How it Works 1. Air comes out of the lungs, through the trachea, and into the larynx....
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This note was uploaded on 11/13/2010 for the course CODS 361 taught by Professor Gel during the Spring '10 term at WPUNJ.

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Everything about larynx 00-13-49 - About the Voice How...

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