retinal(redirected from retinal pigment epithelial layer)
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Of or relating to the retina of the eye.
ret·i·nal 2(rĕt′n-ăl′, -ôl′)
Either of two chromophores that are aldehydes of vitamin A1 and vitamin A2 and that bind covalently with an opsin protein to form rhodopsin or porphyropsin. Also called retinene.
ret•i•nal1(ˈrɛt n əl)
of or pertaining to the retina of the eye.
ret•i•nal2(ˈrɛt nˌæl, -ˌɔl)
an orange visual pigment, C20H28O, the active component of rhodopsin and iodopsin, that is liberated upon the absorption of light in the vision cycle.
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|Noun||1.||retinal - either of two yellow to red retinal pigments formed from rhodopsin by the action of light|
pigment - dry coloring material (especially a powder to be mixed with a liquid to produce paint, etc.)
|Adj.||1.||retinal - in or relating to the retina of the eye; "retinal cells"|
a. de la retina, retiniano-a; rel. a la retina;
___ degeneration → deterioro retiniano, deterioración retiniana;
___ perforation → perforación ___.