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rho•dop•sin



Pronunciation: (rō-dop'sin), [key]
n. Biochem.
a bright-red photosensitive pigment found in the rod-shaped cells of the retina of certain fishes and most higher vertebrates: it is broken down by the action of dim light into retinal and opsin. Also called visual purple.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

Rhodoperhodora
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