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Science & Technology

Scientists grow working vocal cords in a lab

By T.K. Randall
November 19, 2015 · Comment icon 4 comments

The work offers hope to those who have lost their voice. Image Credit: CC BY 3.0 Urcomunicacion
The breakthrough could make it possible for people who can't speak to undergo a 'voice' transplant.
Scientists have for the first time succeeded in growing human vocal cords in a laboratory - an achievement that could provide hope to thousands of people who have lost the ability to speak.

The cords, which can make sounds very much like those of a natural human voicebox, were produced using two types of cells grown around a special biological 'scaffold'.
"Our vocal cords are made up of special tissue that has to be flexible enough to vibrate, yet strong enough to bang together hundreds of times per second," said researcher Nathan Welham of the University of Wisconsin-Madison. "It's an exquisite system and hard thing to replicate."

The scientists behind the breakthrough are hoping to make a variety of synthetic vocal cords available to treat patients suffering from a range of different vocal defects.

"Part of the advantage of using an engineered tissue is that we can customize the size and make the tissue to fit the defect, and also fit the size of the vocal fold in the male or female or child that would be the recipient," said Dr Welham.

Source: Independent | Comments (4)

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Recent comments on this story
Comment icon #1 Posted by Jacques Terreur 8 years ago
that's an amazing thing! how come no one is talking about it since yesterday? The sh***y "tennis ball sized" diamond draws commets, but this doesn't? oh well.... think they'll be able to even fine-tune the voices one day? So you can choose between an "Urkel" or a "David Attenborough"??
Comment icon #2 Posted by TheGreatBeliever 8 years ago
Technology is amazing. Wonder wats next..
Comment icon #3 Posted by BiffSplitkins 8 years ago
I'll take a set of 'Steve Perry' vocal chords please. Love that guys voice.
Comment icon #4 Posted by taniwha 8 years ago
Not much to add, it speaks for itself ...

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