retinene

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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.

ret·i·nal·de·hyde

(ret'i-nal'dĕ-hīd),
Retinol oxidized to a terminal aldehyde; retinal; a carotene released (as all-trans-retinal) in the bleaching of rhodopsin by light and the dissociation of opsin in the vision cycle.

retinene

(rĕt′n-ēn′)
n.
See retinal2.

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.

ret·i·nal·de·hyde

(ret'i-nal'dĕ-hīd)
Retinol oxidized to a terminal aldehyde; a carotene released (as all-trans-retinal[aldehyde]) in the bleaching of rhodopsin by light and the dissociation of opsin in the vision cycle.
Synonym(s): retinene.

retinene

see RETINAL.

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.