<prompt> Which of the following is not a feature Eustachian tube in childrenWider and shoer shoerFlaccid due to less elastin contentOstmanns pad of fat is more in volumeIsthmus is straight in children  <response>: The Eustachian tube in children is shoer 16-18mm, wider and more horizontal. It is also less taut due to lack of elastin. The above differences make the infant more prone for retrograde reflux of nasopharyngeal secretions and milk while feeding in supine position. Differences between Infant adult ET INFANT ET ADULT ET Length 16-18 mm 36 mm Angle with horizontal 100 more horizontal Normalizes at 7yrs 450 Isthmus Straight Angulated Width Wider bony pa Narrow Cailage Flaccid Rigid Elastin at roof Less dense Very dense Ostmanns pad of fat Less in volume More in volume 