SHEILA TERRY / SCIENCE PHOTO LIBRARY SHEILA TERRY / SCIENCE PHOTO LIBRARY
Ear anatomy. Historical anatomical artwork of a human ear. The main diagram (centre) shows the outer ear (pinna, left) and the internal structure of the ear (moving left-right): the ear canal, the ear drum (blue), the ear bones, the cochlea (snail shaped). Just before the cochlea are two other stuctures: the semicircular canals (three loops at right angles to each other), and the Eustachian tube (brown, connecting to the throat). The ear bones are also shown at top. The ear drum and its blood vessels is also at lower centre with another ear membrane below. The temporal bone (bottom) houses the ear. Artwork from The Nerves of the Human Body (Ed. Jones Quain, London, 1839).
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