This model shows pinna with auditory canal, tympanic membrane, Eustachian tube, middle ear ossicles, bony labyrinth and cochlea. Tympanic membrane, middle and inner ear. Removable part include the tympanic membrane (eardrum) with malleus and incus (hammer and anvil), and the two part labyrinth / cochlea with stapes (stirrup) and auditory nerve. Enlarged 3 times. Includes mounting /display base and key card.