Abstract
We measured the eustachian tubes in temporal bones taken from infants and children. These specimens included eustachian tubes from 35 normal temporal bones and 13 temporal bones containing acute and secretory otitis media. All temporal bones were serially sectioned for histological studies. The lumen of the third portion of each eustachian tube (i.e., the pre-isthmus or the physiological isthmus) was measured with the aid of a grid mounted on a microscope. These measurements showed: (1) the eustachian tube lumen grows and enlarges to a small degree with age; (2) each age group has a considerable variation in the size of the lumen which is compatible with natural biological distribution; (3) no statistical differences were found in the size of the pre-isthmus lumina of those eustachian tubes from temporal bones showing acute or secretory otitis media when compared with the lumina of eustachian tubes in non-pathological ears.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
