Vocal Cords

The vocal folds, also known commonly as your vocal cords, are composed of twin infoldings of mucous membrane stretched horizontally across the larynx. They vibrate, modulating the flow of air being expelled from the lungs during phonation. (from wikipedia)
Image from VoiceDoctor.net (link)             Larger image  1920 x 1080 (here)

Video form Beth Janicek taken at Univ Iowa Hospitals and Clinics (external link)

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