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On the Cephaloscope, and Its Uses in the Discrimination of the Normal and ...
John Harrison Curtis
No preview available - 2019
acoustic action admit affections aperture apex appears application attention auditory base become body bone branch called canal cause cavity cephaloscope close cochlea communication connected consequently considerable considered constructed contained continued conveyed cure Curtis deaf and dumb described direction diseases distance Eustachian tube examination existence experiments external extremity fact fenestra give greater half head heard hearing immediately important impression improved interesting internal labyrinth larynx latter length less lining lower malleus manner means meatus membrana tympani membrane motion muscle natural nearly nerve oblique observed opening operation opinion organ passage passes patient perfect persons placed plate portion posterior practice present produced proper proved received remark rendered result Royal says sense shewing side situated Society sonorous sound speech spiral stapes stethoscope superior surface terminates tion treatment tympanum upper various vestibule vibrations voice