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"Diagram of the Middle and Internal Ear." — Blaisedell, 1904

Ear

"Diagram of the Middle and Internal Ear." — Blaisedell, 1904

Semi-diagrammatic section through the right ear. Labels: M, concha; G, external auditory meatus; T, tympanic or drum membrane; P, middle ear; o, oval foramen; r, round foramen. Extending from T to o is seen the chain of tympanic bones. R, Eustachian tube. V,B,S, bony labyrinth: V, vestibule; B, semicircular canal; S, cochlea. b,l,l', membranous semicircular canal and vestibule. A, auditory nerve dividing into branches for vestibule, semicircular canal, and cochlea.

Section Through the Right Ear

Semi-diagrammatic section through the right ear. Labels: M, concha; G, external auditory meatus; T,…