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Associations to the word «Retinal»

Wiktionary

RETINAL, adjective. (ophthalmology) Of or pertaining to the retina.
RETINAL, noun. (biochemistry) One of several yellow or red carotenoid pigments formed from rhodopsin by the action of light; retinene

Dictionary definition

RETINAL, noun. Either of two yellow to red retinal pigments formed from rhodopsin by the action of light.
RETINAL, adjective. In or relating to the retina of the eye; "retinal cells".

Wise words

It is only with the heart that one can see rightly; what is essential is invisible to the eye.
Antoine de Saint-Exupery