The vocal folds, more commonly known as vocal cords, are small and flexible flaps of tissue located inside the larynx, better known as the "voice box." These delicate, multilayered structures assist in multiple functions, including breathing and swallowing. Most importantly, however, the vocal folds allow us to vocalize. We can produce all kinds of sounds simply by controlling the tension and shape of these folds. Unfortunately, many diseases and anomalies can affect the mechanical properties of the vocal folds.

https://www.miragenews.com/noninvasive-tool-measures-vocal-fold-elasticity-1062771/

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