Vocal fold
Vocal fold
The Vocal fold (pronounced: /ˈvoʊkəl foʊld/), also known as the vocal cord, is a crucial part of the human voice production system. The term "vocal fold" is derived from the Latin vocalis (relating to voice) and the Old English fealdan (to fold).
Anatomy
The vocal folds are twin infoldings of mucous membrane stretched horizontally across the larynx. They vibrate, modulating the flow of air being expelled from the lungs during phonation.
Function
To produce speech, the vocal folds are brought together (adducted) to obstruct the airflow, which causes the pressure to build up in the trachea. This pressure causes the vocal folds to vibrate, creating sound. The frequency of this vibration determines the pitch of the sound produced.
Related terms
- Phonation: The process of using the vocal folds and the respiratory system to generate sounds.
- Larynx: The hollow muscular organ forming an air passage to the lungs and holding the vocal folds.
- Glottis: The part of the larynx consisting of the vocal folds and the opening between them. It affects voice modulation through expansion or contraction.
See also
External links
- Medical encyclopedia article on Vocal fold
- Wikipedia's article - Vocal fold
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