The membrane separating the outer and middle ear.
The eardrum (tympanic membrane). The tympanum consists of a membrane in the ear canal between the outer ear and the middle ear. The eardrum resembles the head of a tiny drum. Sound waves cause the tympanum to vibrate. These vibrations stimulate the eighth cranial nerve, which transmits these impulses to the brain where they are interpreted as sounds.
The middle ear (tympanic cavity) and/or the eardrum (tympanic membrane).
Another name for the middle ear or the ear drum.
The term pertains to either the middle ear cavity, also known as the tympanic cavity, or the eardrum, which is referred to as the tympanic membrane.