Middle ear

A) Eardrum
B) Part of the ear that contains the organ of hearing
C) Includes the pinna and external auditory canal
D) Fleshy portion of the external ear
E) Air-filled space within the temporal bone

Middle Ear

The air-filled central part of the ear behind the eardrum, containing the ossicles that transmit sound vibrations to the inner ear.

Eardrum

A thin membrane that separates the external ear from the middle ear and vibrates in response to sound waves.

Temporal Bone

A large bone situated at the base and side of the skull, which houses the structures of the ear.