General view of organ of hearing

“A, pinna; B, cavity of the concha, showing the openings of a great number of sebaceous glands; C, external auditory meatus; D, typanic membrane; F, incus; H, malleus; K, handle of malleus applied to the internal surface of the membrana typani; L, tensor typani muscle; between M and K is the tymphanic cavity; N Eustachian tube; O,P, semicircular canals; R, internal auditory canal; S, large nerve given off from the facial nerve; T, facial and auditory nerves.” — Blaisedell, 1904

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