The larynx is the tube that connects the bottom of the throat to the windpipe (trachea). It is divided into three sections called the supraglottis, glottis, and subglottis. Structures in the larynx ...

Direct laryngoscopy revealed marked edema of the lingual surface of the epiglottis and the aryepiglottic folds without purulence or a "cherry-red" appearance. He was intubated orally with an age ...

Grade 2: At best, almost half of the glottis is seen at worst only the posterior tip of the arytenoids is seen. Grade 3: Only the epiglottis is visible. Grade 4: No laryngeal structures are visible.