JACOPIN / SCIENCE PHOTO LIBRARY JACOPIN / SCIENCE PHOTO LIBRARY
HEARING, DRAWING Anatomy of the ear, from left to right: - Outer ear: pinna, auditory meatus, eardrum - Middle ear: ossicles, Eustachian tube - Inner ear: cochlea, auditory nerve. Close-up of auditory components: - Ductus cochlearis (pink) containing the organ of Corti, including the acoustic hair cells (orange) - Cochlear nerve (yellow) which sends the electrical signal to the auditory area of the brain.
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