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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