Distribution of visual pigments in the T
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V. Parvatheswararao
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Article
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1975
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Springer-Verlag
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English
โ 380 KB
TWO types of visual pigments have been identified in the retinal rods of vertebrates --rhodopsin (A I) and porphyropsin (A2). Wald (1960) suggested a specific pattern of distribution for these pigments in vertebrates on the basis of their habitat salinity. However, data published in recent years on