Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The pigment sensitive to red light in the retinal rods of the eyes, consisting of opsin and retinene.

from The Century Dictionary.

  • noun Visual purple; a pigment found in the outer segments of the retinal rods.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Physiol.) The visual purple. See under visual.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun biochemistry A light-sensitive pigment in the rod cells of the retina; it consists of an opsin protein bound to the carotenoid retinal

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a red photopigment in the retinal rods of vertebrates; dissociates into retinene by light

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[rhod(o)– + Greek opsis, sight; see –opsis + –in.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Ancient Greek ῥόδον (rhodon, "rose"), due to its pinkish color, and ὄψις (opsis, "sight").

Examples

  • Another protein is rhodopsin, which is found in cells that make up the retina of the eye.

    The Edge of Evolution

  • Another protein is rhodopsin, which is found in cells that make up the retina of the eye.

    The Edge of Evolution

  • Another protein is rhodopsin, which is found in cells that make up the retina of the eye.

    The Edge of Evolution

  • Another protein is rhodopsin, which is found in cells that make up the retina of the eye.

    The Edge of Evolution

  • The scientists were able to see previously unobserved changes in the structure of rhodopsin, which is a model for the ubiquitous G protein coupled receptors (GPCRs), heptahelical, transmembrane receptors found in eukaryotic cells.

    PhysOrg.com - latest science and technology news stories

  • The scientists were able to see previously unobserved changes in the structure of rhodopsin, which is a model for the ubiquitous G protein coupled receptors (GPCRs), heptahelical, transmembrane receptors found in eukaryotic cells.

    PhysOrg.com - latest science and technology news stories

  • Saranak J, Patel N, Zarilli G, Okabe M, et al. (1984) A rhodopsin is the functional photoreceptor for phototaxis in the unicellular eukaryote

    PLoS ONE Alerts: New Articles

  • Blurred vision can be a lack of a light sensitive pigment called rhodopsin, or visual purple, that’s composed of vitamin A and protein.

    Human Eye: Part 4

  • This alters the way in which one of the proteins in the retina—rhodopsin, a pigment responsible for night vision as well as blue-green color vision—behaves.

    Birdology

  • Deyes goes on to discuss rhodopsin before throwing this red hot pepper in the pot:

    Building Trees Sequentially

Comments

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  • Visual purple.

    August 12, 2010

  • Disappointment! No visuals?

    July 23, 2011