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retinene

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ret·i·nene (rtn-n)
n.
Either of two yellow to red retinal pigments, formed by oxidation of vitamin A alcohols.
retinene
[ret′inin]
Etymology: L, rete
either of the two carotenoid pigments found in the rods of the retina that are precursors of vitamin A and are activated by light. See also retinal, retinol.
retinene [ret´ĭ-nēn]
an ocular pigment derived from vitamin A and formed by the bleaching action of light on rhodopsin. It occurs in two forms: retinene1 is retinal (def. 2), and retinene2 is dehydroretinal.
retinene
an ocular pigment derived from vitamin A and formed by the bleaching action of light on rhodopsin. It occurs in two forms: retinene1 is retinal (2), and retinene2 is dehydroretinal.
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