Rod and cone contributions to S-potentials from the cat retina
نویسندگان
چکیده
منابع مشابه
Rod and Cone Contributions to Mesopic Vision
Mesopic light levels span approximately 3-4 log units in the natural viewing environment, including many indoor lighting settings, and most twilight or nighttime outdoor and traffic lighting environments. Traditional studies of the contribution of the different photoreceptor types to mesopic vision have been hampered by an inability to modulate the rod or cone systems independently. Our approac...
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Mammalian B-type horizontal cells make contact with both photoreceptor types: the dendrites contact cone photoreceptors, whereas the axon terminal processes contact rods. Despite their distinct synaptic contacts, horizontal cell somata and axon terminals receive a mixture of rod and cone inputs. Interaction of the two photoreceptor systems is essential for adaptation of photoreceptor sensitivit...
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There is a swahili adage that says: Mtu ni watu. In English this translates to A person is people. I am because there have been so many people that have invested in me. This thesis is dedicated to my immediate family, my extended family, friends, life group and work colleagues. To my father, Mr. Joshua Muchungi, though you be not with us, thank you for blessing me. I do feel your support and pr...
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In cat retina, rod bipolar terminials do not synapse on ganglion cells but on two types of amacrine cell (types I and II). Cone bipolars synapse directly on ganglion cells and on type I amacrines. The type II amacrine appears to play a special internuncial role between bipolars and ganglion cells in the rod system.
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The structure of the rod-cone network in the area centralis of cat retina was studied by reconstruction from serial electron micrographs. About 48 rods converge on each cone via gap junctions between the rod spherules and the basal processes of the cone pedicle. One rod diverges to 2.4 cones through these gap junctions, and each cone connects to 8 other cones, also through gap junctions. A stat...
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ژورنال
عنوان ژورنال: Vision Research
سال: 1969
ISSN: 0042-6989
DOI: 10.1016/0042-6989(69)90069-8