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porphyropsin

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noun por·phy·rop·sin \ˌpȯr-fə-ˈräp-sən\

Definition of porphyropsin

  1. :  a purple pigment in the retinal rods of freshwater fishes that resembles rhodopsin



Origin and Etymology of porphyropsin

Greek porphyra purple + English -opsin (as in rhodopsin)


First Known Use: 1930


Medical Dictionary

porphyropsin

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noun por·phy·rop·sin \ˌpȯr-fə-ˈräp-sən\

Medical Definition of porphyropsin

  1. :  a purple pigment in the retinal rods of freshwater fishes that resembles rhodopsin




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