retinalˈrɛt nˌæl, -ˌɔl
retinal
English Definitions:
retinene, retinal (adj)
either of two yellow to red retinal pigments formed from rhodopsin by the action of light
retinal (adj)
in or relating to the retina of the eye
"retinal cells"
retinal (Noun)
One of several yellow or red carotenoid pigments formed from rhodopsin by the action of light; retinene
retinal (Adjective)
Of or pertaining to the retina.
Retinal
Retinal, also called retinaldehyde or vitamin A aldehyde, is one of the many forms of vitamin A. Retinal is a polyene chromophore, and bound to proteins called opsins, is the chemical basis of animal vision. Bound to proteins called type 1 rhodopsins, retinal allows certain microorganisms to convert light into metabolic energy. Vertebrate animals ingest retinal directly from meat, or produce retinal from one of four carotenoids, which they must obtain from plants or other photosynthetic organisms. The other main forms of vitamin A, retinol, and a partially active form retinoic acid, may both be produced from retinal. Invertebrates such as insects and squid use hydroxylated forms of retinal in their visual systems, which derive from conversion from other xanthophylls.
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"retinal." Kamus.net. STANDS4 LLC, 2024. Web. 24 Apr. 2024. <https://www.kamus.net/english/retinal>.
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