DUVERNEY, (Guichard Joseph)Biblio.com
Du Verney, Guichard-JosephBiblio.com
A treatise of the organ of hearing
173751914London: Samuel Baker 1737. First English ediiton of the first thoroughly scientific study of the structure function and diseases of the ear. Duverney was the first to depict the arteries veins and nerve branches of the auricle the first to demonstrate that the bony part of the external auditory meatus originates from the annulus tympanicum and the first to describe and illustrate the communication between the tympanic cavity and the cells of the mastoid process. He corrected a long-standing error by stating that the Eustachian tube was not an organ of breathing or hearing but simply the channel through which the air of the tympanum was renewed. His excellent account of the bony labyrinth included the first accurate description of the five vestibular openings of the semicircular canals and a new description of the auditory nerve. Duverney believed the organs of sound perception to be the cochlea semicircular canals and spiral lamina and was the first to suggest the resonance theory of hearing that was later developed by Helmholtz. He also pointed out that persons afflicted with certain types of deafness can hear sound through bone conduction and gave what is believed to be the first description of a cholesteatoma mastoid / middle ear tumor. Samuel Baker unknown
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