Which structures constitute the external ear middle ear and inner ear?
The external ear is composed of the pinna, the external auditory canal, and the tympanic membrane.
The middle ear is composed of the tympanic membrane, ossicles (malleus, incus, stapes), and oval window.
The ossicles function as an impedance matching device between air and fluid during the travel of the sound wave.
The inner ear is composed of part of the oval window, the cochlea, and the round window.
