OPSIN

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the protein part of visual photo pigments. The other part is a vitamin A sub-product considered to be retinal. There is one for each rod, that combined with retinal types, the rod photo pigment iuiodopsin.

OPSIN: "Arthropods doe not have opsin proteins."
Cite this page: N., Sam M.S., "OPSIN," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/opsin/ (accessed June 30, 2022).

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