The eustachian tube connects the middle-ear cavity, which lies behind the eardrum, to the nasopharynx, the space at the back of the roof of your mouth. Each time you swallow, a valve at the inner ...

The most important anatomic structure in the pathophysiology of OM is the eustachian tube, which connects the nasopharynx with the tympanic cavity. Inflammation and edema in the area of the ...