EPIGLOTTIS Meaning and
Definition
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The epiglottis is a small, leaf-shaped flap made of elastic cartilage located at the base of the tongue, specifically in the throat where the oral cavity and pharynx meet. It plays a crucial role in the process of swallowing by preventing food and liquid from entering the windpipe.
During breathing, the epiglottis stands upright, allowing air to easily pass through the upper respiratory tract and into the lungs. However, when food or liquid is being swallowed, the epiglottis folds downward, covering the glottis, which is the opening to the windpipe, and redirecting the substances into the esophagus instead. This action helps protect the respiratory system by ensuring that ingested materials do not enter the trachea, which could potentially lead to choking or aspiration pneumonia.
The epiglottis is not only responsible for protecting the airway during swallowing but also contributes to speech production. Its position and movements influence the resonance and quality of various speech sounds.
Disorders affecting the epiglottis, such as epiglottitis (inflammation of the epiglottis) or epiglottic entrapment (abnormal folding or fixation), can result in difficulties with swallowing, breathing, and speaking. Medical professionals, particularly otolaryngologists and speech-language pathologists, often evaluate and treat epiglottic conditions to maintain proper airway function and reduce potential complications.
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A saddle-shaped plate of cartilage, covered with mucous membrane, at the root of the tongue, which folds back over the aperture of the larynx, closing it, during the act of swallowing.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
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The valve or cartilage that covers the upper part of the windpipe when food or drink is passing into the stomach.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
Common Misspellings for EPIGLOTTIS
Etymology of EPIGLOTTIS
The word "epiglottis" is derived from the Greek words "epi" meaning "upon" or "above" and "glottis" meaning "tongue". So, "epiglottis" essentially means "above the glottis". The term accurately describes the location of the epiglottis, which is a flap of cartilage situated above the glottis in the throat.
Similar spelling words for EPIGLOTTIS
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