The cochlea and vestibule, viewed from above. (Tympanic cavity labeled at upper right.)
Bones and muscles in the tympanic cavity in the middle ear
|Precursor||first pharyngeal pouch|
|Part of||Middle ear|
The tympanic cavity is bounded by:
Should fluid accumulate within the middle ear as the result of infection or for some other reason, it can be drained by puncturing the tympanic membrane with a large bore needle (tympanocentesis).