Eustachian tube anvil auditory apparatus auditory canal auditory meatus auditory nerve auditory ossicles auditory tube auricle basilar membrane bony labyrinth cauliflower ear cochlea conch concha drape drumhead ear eardrum endolymph external ear hammer hanger hanging incus inner ear lappet lobation lobe lobule lug malleus mastoid process middle ear organ of Corti outer ear oval window pendant perilymph pinna round window secondary eardrum semicircular canals shell stapes stirrup tympanic cavity tympanic membrane tympanum uvula vestibule