Tympanic Membrane
Synonyms
Eardrum
Eardrums
Membrane, Tympanic
Membranes, Tympanic
Tympanic Membranes
An oval semitransparent membrane separating the external EAR CANAL from the tympanic cavity (EAR, MIDDLE). It contains three layers: the skin of the external ear canal; the core of radially and circularly arranged collagen fibers; and the MUCOSA of the middle ear.
See Also