porphyropsin

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

Definition of PORPHYROPSIN

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

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

First Known Use: 1930

Medical Dictionary

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

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

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