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n. pl. ep·i·glot·tis·es or ep·i·glot·ti·des (-glŏt′ĭ-dēz′)
The thin elastic cartilaginous structure located at the root of the tongue that folds over the glottis to prevent food and liquid from entering the trachea during the act of swallowing.

[Greek epiglōttis : epi-, epi- + glōttis, glottis; see glottis.]

ep′i·glot′tal (-glŏt′l), ep′i·glot′tic (-glŏt′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Application of mitomycin C after endoscopic lysis of congenital laryngeal web combined with epiglottic hypoplasia in a middle-aged man.
agenesis or nephrosclerosis, hiatus hernia, facial dysmorphia, and epiglottic hypoplasia. A number of reports have detailed anomalies of the hands and feet, such as duplicated terminal phalanx of the thumb, triphalangeal thumb, preaxial polydactyly, syndactyly of the second and third digits, and fifth finger clinodactyly [Poznanski et al., 1972; Murdoch-Kinch and Miles, 1996].