Definition of epiglottis
: a thin plate of flexible cartilage in front of the glottis that folds back over and protects the glottis during swallowing
Recent Examples of epiglottis from the Web
Sometimes the tongue propels saliva backward before the epiglottis has time to cover the airway.
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Origin and Etymology of epiglottis
New Latin, from Greek epiglōttis, from epi- + glōttis glottis
First Known Use: 15th centurySee Words from the same year
Medical Definition of epiglottis
: a thin lamella of yellow elastic cartilage that ordinarily projects upward behind the tongue and just in front of the glottis and that with the arytenoid cartilages serves to cover the glottis during the act of swallowing
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