The New Encyclopædia Britannica, Volume 2Encyclopædia Britannica, 1992 - 32 pages |
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Page 143
... ommatidia ( small eyes ) ; each ommatidium is virtually a single eye . In different species the size , number , and structure of ommatidia vary . An ommatidium ( Figure 18 ) is composed of a corneal lens , or facet , which consists From ...
... ommatidia ( small eyes ) ; each ommatidium is virtually a single eye . In different species the size , number , and structure of ommatidia vary . An ommatidium ( Figure 18 ) is composed of a corneal lens , or facet , which consists From ...
Page 144
... ommatidium , and within the retinular cells has been reported to occur in most types of compound eyes . The apposition eye . In the compound eyes of diurnal arthropods , each ommatidium is separated from its neigh- bours by pigmented ...
... ommatidium , and within the retinular cells has been reported to occur in most types of compound eyes . The apposition eye . In the compound eyes of diurnal arthropods , each ommatidium is separated from its neigh- bours by pigmented ...
Page 145
... ommatidium ; in the apposition eye , on the other hand , light from its own corneal lens reaches the rhabdom within a particular ommatidium . The mosaic image of the superposition eye , although less sharply defined than that of the ...
... ommatidium ; in the apposition eye , on the other hand , light from its own corneal lens reaches the rhabdom within a particular ommatidium . The mosaic image of the superposition eye , although less sharply defined than that of the ...
Contents
SAN FRANCISCO | 1 |
SÃO PAULO | 6 |
SCANDINAVIAN LITERATURE | 10 |
Copyright | |
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activity ancient animals artists auditory axiom basilar membrane behaviour bipolar cells body brain bronze called canal carved cause central centre century changes chemical chemoreception classical cochlea colour cones cornea culture dreams early effect example female Figure frequency function Greek groups hair cells hearing hertz homosexual human important impulses increase individual influence inner ear insects kami later layer lens light literature male mammals mechanical Mechanoreception membrane millimetres modern movement muscle nature nerve fibres NREM occur odour olfactory optic organs outer percent period photoreceptor photoreceptor cells physiological pigment plays produced receptors relief REM sleep response retina rhabdom rhodopsin rods role Roman Rome São Paulo sculpture sense sensitivity sensory sexual Shakespeare Shinto Sikh skin slavery slaves social societies sound species statocyst stimulation structure studies style surface taste temperature theory tion types usually vertebrates vision visual women