retinal

Adjective
  1. In or relating to the retina of the eye (synset 302990684)
    "retinal cells"
Noun
  1. Either of two yellow to red retinal pigments formed from rhodopsin by the action of light (synset 115029953)
    is a type of: pigment - dry coloring material (especially a powder to be mixed with a liquid to produce paint, etc.)
    substance meronym: retinal purple, rhodopsin, visual purple - a red photopigment in the retinal rods of vertebrates; dissociates into retinene by light
    same as: retinene

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