The Epiglottis of the Larynx

Author: Scott A. Sheffield MS

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The image descriptionepiglottis is a leaf-shaped flap of tissues that projects obliquely from the top of the larynx.

The lateral view of the larynx
The epiglottis shown on lateral view
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  • Its shape and position are supported by a band of elastic cartilage, which attaches to the posterior of the image descriptionthyroid cartilage by a small ligament.
The lateral view of the larynx
The thyroid cartilage labeled
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A midsagittal view of the mouth
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  • During the swallowing process, the extrinsic muscles attached to the larynx  image descriptionmove upward. The flexible epiglottis flattens as it strikes the base of the tongue and covers the opening to the larynx.
Animation of the epiglottis covering the opening to the larynx
Animation of the epiglottis covering the opening to the larynx
Animation of the epiglottis covering the opening to the larynx
Animation of the epiglottis covering the opening to the larynx
Animation of the epiglottis covering the opening to the larynx
Animation of the epiglottis covering the opening to the larynx
Animation of the epiglottis covering the opening to the larynx
The epiglottis covers the opening to the larynx
  • Once the food enters the esophagus, the extrinsic muscles relax, the larynx returns to its original position, and the image descriptionrespiratory passageway reopens.