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Page 162
... tympanic membrane , an ossicular chain of three elements , and two tympanic muscles . The tympanic membrane bulges in- ward , unlike the usually outward - bulging membrane of reptiles and birds . The elements in the ossicular chain are ...
... tympanic membrane , an ossicular chain of three elements , and two tympanic muscles . The tympanic membrane bulges in- ward , unlike the usually outward - bulging membrane of reptiles and birds . The elements in the ossicular chain are ...
Page 206
... tympanic membrane ( Figure 52 ) . In its outer third the wall of the canal consists of cartilage ; in its inner two - thirds , of bone . The entire length of the passage ( 24 millimetres , or almost 1 inch ) head malleus ( hammer ) ...
... tympanic membrane ( Figure 52 ) . In its outer third the wall of the canal consists of cartilage ; in its inner two - thirds , of bone . The entire length of the passage ( 24 millimetres , or almost 1 inch ) head malleus ( hammer ) ...
Page 211
... tympanic membrane ( Figure 52 ) . The auricle , the visible portion of the outer ear , collects sound waves and , with the concha , the cavity at the entrance to the external auditory canal , helps to funnel sound into the canal ...
... tympanic membrane ( Figure 52 ) . The auricle , the visible portion of the outer ear , collects sound waves and , with the concha , the cavity at the entrance to the external auditory canal , helps to funnel sound into the canal ...
Contents
SÃO PAULO | 3 |
SCANDINAVIAN LITERATURE | 10 |
The History of SCIENCE | 32 |
Copyright | |
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activity animals appears become behaviour body brain called cause cells central centre century changes chemical classical close common completely consists contains continued culture direction dreams early effects example existence experience female fibres field Figure frequency function Greek groups hair head hearing human important increase individual influence inner interest Italy known late later less light literature major male material means mechanical membrane methods middle move movement muscle nature nerve NREM objects observed occurs organs original pattern period person plays position produced receptors relief response result retina sculpture sense sensitivity sensory sexual Shakespeare slavery slaves sleep social society sound species stage stimulation structure style surface taste theory tion types usually vision visual