retinene
[ret´ĭ-nēn] an ocular pigment derived from vitamin A and formed by the bleaching action of light on rhodopsin. It occurs in two forms: retinene1 is retinal (def. 2), and retinene2 is dehydroretinal.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
ret·i·nal·de·hyde
(ret'i-nal'dĕ-hīd), Retinol oxidized to a terminal aldehyde; retinal; a carotene released (as all-trans-retinal) in the bleaching of rhodopsin by light and the dissociation of opsin in the vision cycle.
Farlex Partner Medical Dictionary © Farlex 2012
retinene
(rĕt′n-ēn′)The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
ret·i·nal·de·hyde
(ret'i-nal'dĕ-hīd) Retinol oxidized to a terminal aldehyde; a carotene released (as all-
trans-retinal[aldehyde]) in the bleaching of rhodopsin by light and the dissociation of opsin in the vision cycle.
Synonym(s):
retinene.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
retinene
see RETINAL.Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005