retinal

retinal
retina NOUN (pl. retinas or retinae) a layer at the back of the eyeball containing cells that are sensitive to light and from which impulses are sent to the brain, where they are interpreted as visual images.
DERIVATIVES retinal adjective.
ORIGIN Latin, from rete 'net' .

English terms dictionary. 2015.

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  • Rétinal — Tout trans rétinal Général Nom IUPAC (2E,4E,6E,8E) 3,7 dimethyl 9 (2,6,6 trimethylcyclohexen 1 yl)nona 2,4,6,8 tetraenal …   Wikipédia en Français

  • retinal — carotenoide componente de los pigmentos visuales. De los 16 isoméros posibles el 11 cis retinal es el cromóforo de la mayor parte de las opsinas naturales estructura química [véase http://www.iqb.es/diccio/r/re.htm#retinal] Diccionario ilustrado… …   Diccionario médico

  • rétinal — [ retinal ] n. m. • 1972; de rétine ♦ Biol. Aldéhyde de la vitamine A entrant, avec l opsine, dans la composition du pourpre rétinien. (Plur. inus. rétinals.) ● rétinal ou rétinène nom masculin Aldéhyde diterpénique C20H28O, apparenté au rétinol …   Encyclopédie Universelle

  • Retinal — Ret i*nal, a. (Anat.) Of or pertaining to the retina. [1913 Webster] {Retinal purple} (Physiol. Chem.), the visual purple. [1913 Webster] …   The Collaborative International Dictionary of English

  • Retinal — Ret i*nal, n. (Chem.) A retinoid compound ({C20H28O}), closely related to vitamin A, which is a component of the visual pigments in the eye. It is also called {retinaldehyde} and {vitamin A aldehyde}. [PJC] …   The Collaborative International Dictionary of English

  • Retinal — ⇒ Axerophthol …   Deutsch wörterbuch der biologie

  • retinal — (adj.) 1838; see RETINA (Cf. retina) + AL (Cf. al) (1) …   Etymology dictionary

  • retinal — [ret′ n əl] adj. of or related to a retina n. Biochem. 1. a yellowish carotenoid, C20H28O, liberated when rhodopsin or iodopsin is transformed by the action of light 2. a similar carotenoid, C20H26O, formed by the action of light on porphyropsin …   English World dictionary

  • Retinal — Strukturformel …   Deutsch Wikipedia

  • Retinal — chembox new ImageFile = Retinal structure.png ImageSize = IUPACName = OtherNames = Formula = C20H28O PubChem = 1070 SMILES = MolarMass= 284.436 Appearance = CASNo = 116 31 4 Density= MeltingPt= 63 °C BoilingPt= Solubility = MainHazards = FlashPt …   Wikipedia

  • retinal — 1. Relating to the retina. 2. Retinaldehyde; most commonly referring to the all trans form. r. dehydrogenase an oxidoreductase catalyzing the interconversion of retinaldehyde and NAD+ to retinoic acid and NADH …   Medical dictionary

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