retinal: Meaning and Definition of

ret•i•nal

Pronunciation: (ret'n-ul), [key]
— adj.
  1. of or pertaining to the retina of the eye.

ret•i•nal

Pronunciation: (ret'n-al", -ôl"), [key]
— n. Biochem.
  1. an orange pigment, CHO, that is the active component of rhodopsin and is liberated upon the absorption of light in the vision cycle; vitamin A aldehyde.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
retinaculum retinite
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