tympanic cavity n.
See middle ear.
It is an irregular curved plate only slightly bullate, but forming a complete floor to the tympanic cavity.
There is no tympanic cavity or auditory ossicle in relation to the ear.
The ear should then be gently inflated, when the air entry into the tympanic cavity will probably be found to be much more free.
The tympanic membrane is derived from the tissue which separates the meatus auditorius externus from the tympanic cavity.
Finally, a pledget of cotton-wool soaked in a 20% solution of cocaine is pushed into the tympanic cavity.
The tympanic cavity is cleansed and rendered ansthetic (see p. 310).
From the inner part originates the tympanic cavity, and further inward, the Eustachian tube.
Its relation to the tympanic cavity varies in its different parts.
Granulations very quickly block the aditus and so separate the antrum and mastoid cavity from the tympanic cavity.
The tympanic cavity communicates with the back part of the throat, by the Eustachian tube.