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Pronunciation: i'o-dop'sin

Definition: Any of three visual pigments, composed of 11-cis-retinal bound to an opsin, found in the cones of the retina.

Synonym(s): visual violet

[G. ion, violet, + ops, eye, + -in]

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.