The epiglottis is an anatomical cartilage flap that has a leaf like shape. It is located in the throat between the tongue and the larynx but can be seen popping just above the tongue when you open the mouth and say ah in front of a lighted mirror. Epiglottitis is a condition which occurs due to the swelling or inflammation of the epiglottis. It occurs more commonly in children between 2-6 years and rarely in adults.