A Dictionary of science, literature, and art [electronic resource]: comprising the history, description, and scientific principles of every branch of human knowledge; with the derivation and definition of all the terms in general use (1844)
Brande, William Thomas, 1788-1866, Cauvin, Joseph · New York : Harper & brothers · leaf 385
e-tion called ceru-men. The tym-panum separatesthe external fromthe internal ear;it is closed by amembrane call-ed the membra-na tympani ordrum of the ear,upon the innersurface of whicha nerve called thechordti tympaniramifies, and tothe centre ofwhich is affixedthe process of alittle hammer-shaped… … EARTH. with appropriate muscles. The vestibule is a small cavityin the petrous portion of the temporal bone, having a littlp.spiral cavity called the cochlea connected with it, and threecylindrical cavities, or tubes, bent in a semicircular form,two of which are horizontal and one vertical. These…
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