Looking for the meaning of the word PORPHYROPSINS in English for both noun and verb forms from the Oxford Dictionary? Below, you can explore all possible meanings and definitions of PORPHYROPSINS with sentence examples. You can also use the “AUDIO PRONUNCIATION” track to check the correct pronunciation in British English.
Word: Porphyropsin
Speech Type: Noun
Etymology:
1930s. From porphyro- + -opsin
Definition:
Any of a class of light-sensitive pigments found in the retinas of freshwater vertebrates, analogous to rhodopsin in humans but differing from it in containing the aldehyde of vitamin A ₂ rather than that of A₁ and in having a maximum absorption of visible light at a slightly longer wavelength.
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