Porphyropsin Definition

pôrfə-rŏpsĭn
noun
A photosensitive, carotenoid protein pigment found in the rods of the retinas of freshwater vertebrates.
Webster's New World
Any of a class of purple light-sensitive pigments similar to rhodopsin, found in the retinal rods of the eyes of freshwater fishes and certain frogs.
American Heritage

Origin of Porphyropsin

  • Greek porphurā shellfish yielding purple dye, purple opsin

    From American Heritage Dictionary of the English Language, 5th Edition

  • Greek porphurā shellfish yielding purple dye, purple opsin

    From American Heritage Dictionary of the English Language, 5th Edition

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porphyropsin