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Page 148
... cones . The rods are the photoreceptors for vision under conditions of dim illu- mination ; the cones mediate daylight vision and colour sensation in many animals . The photoreceptors in both the rods and cones are composed of stacks of ...
... cones . The rods are the photoreceptors for vision under conditions of dim illu- mination ; the cones mediate daylight vision and colour sensation in many animals . The photoreceptors in both the rods and cones are composed of stacks of ...
Page 177
... cones are seen to be composed of stacks of disks , apparently made by the infolding of the limit- ing membrane surrounding the outer segment ; the visual pigment , located on the surfaces of these disks , is thus spread over a very wide ...
... cones are seen to be composed of stacks of disks , apparently made by the infolding of the limit- ing membrane surrounding the outer segment ; the visual pigment , located on the surfaces of these disks , is thus spread over a very wide ...
Page 183
... cones - e.g . , the retinas of the rat or guinea pig , and it is not obtained from the pure cone retina of the chicken . When the absorption spectrum is measured , it is found that its maximum absorption occurs at the point of maxi- mum ...
... cones - e.g . , the retinas of the rat or guinea pig , and it is not obtained from the pure cone retina of the chicken . When the absorption spectrum is measured , it is found that its maximum absorption occurs at the point of maxi- mum ...
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