The eustachian tubes are narrow canals that connect the middle ear to the upper throat and nasal cavity. Changes in air pressure occur during air travel, deep-sea diving, or whenever a person ...

severe ear infections and liquid in the inner ear cavity of an otherwise healthy child. Doctors have been concerned that if surgery is not used in the second case, children could face long-term ...

Daniel, H.J. 3rd et al. Comparative anatomy of eustachian tube and middle ear cavity in animal models for otitis media. Ann. Otol. Rhinol. Laryngol. 91, 82–89 (1982). Article Google Scholar ...