[ rĕt′n-ăl′də-hīd′ ]
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A yellow to orange aldehyde that is a derivative of vitamin A and acts in the retina to form the visual pigments of the rods and cones.retinal retinene1
QUIZ YOURSELF ON AFFECT VS. EFFECT!
In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”
Question 1 of 7
The rainy weather could not ________ my elated spirits on my graduation day.
Words nearby retinaldehyde
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.