NCIt definition : A small cartilagenous flap-like valve that closes over the larynx during swallowing
to prevent food entering the lungs.;
Alternative definition : ICDO3: excludes anterior surface of epiglottis C10.1; NCI-GLOSS: The flap that covers the trachea during swallowing so that food does not
enter the lungs.; CDISC: A small cartilagenous flap-like valve that closes over the larynx during swallowing
to prevent food entering the lungs. (NCI);