The middle ear (also known as the tympanum or tympanic cavity) starts on the other side of the eardrum. It is a narrow tube with concave walls that is separated from the inner ear by its ...

One of the leading causes of a tympanic membrane retraction is Eustachian tube dysfunction. The middle ear is usually filled with nothing but air. Air pressure outside of the eardrum must remain ...

"The combination of a mouth cavity and bone conduction allows Gardiner's frogs to perceive sound effectively without use of a tympanic middle ear," concludes Renaud Boistel.

The middle ear is positioned behind the eardrum, also known as the tympanic membrane.‌ The test seeks to establish the condition and movement of the tympanic membrane as it responds to changes ...

Eventually, this causes a negative pressure in the middle ear, which can lead to the fluid being vacuumed into the tympanic cavity in the middle ear. It is possible for this fluid to then become ...

The tympanic bulla is easily palpated on the ... Comparative anatomy of eustachian tube and middle ear cavity in animal models for otitis media. Ann. Otol. Rhinol. Laryngol. 91, 82–89 (1982).

The tympanic membraneis a thin tissue that divides your middle ear and outer ear canal. This membrane vibrates when sound waves enter your ear. The vibration continues through the bones of the ...