Definition of Opsin. Meaning of Opsin. Synonyms of Opsin

Here you will find one or more explanations in English for the word Opsin. Also in the bottom left of the page several parts of wikipedia pages related to the word Opsin and, of course, Opsin synonyms and on the right images related to the word Opsin.

Definition of Opsin

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Amylopsin
Amylopsin Am`y*lop"sin, n. [Amylum + Gr. ? appearance.] (Physiol. Chem.) The diastase of the pancreatic juice.
rhodopsin
Visual Vis"u*al, a. [L. visualis, from visus a seeing, sight: cf. F. visuel. See Vision.] 1. Of or pertaining to sight; used in sight; serving as the instrument of seeing; as, the visual nerve. The air, Nowhere so clear, sharpened his visual ray. --Milton. 2. That can be seen; visible. [R.] Visual angle. (Opt.) See under Angle. Visual cone (Persp.), a cone whose vertex is at the point of sight, or the eye. Visual plane, any plane passing through the point of sight. Visual point, the point at which the visual rays unite; the position of the eye. Visual purple (Physiol.), a photochemical substance, of a purplish red color, contained in the retina of human eyes and in the eyes of most animals. It is quickly bleached by light, passing through the colors, red, orange, and yellow, and then disappearing. Also called rhodopsin, and vision purple. See Optography. Visual ray, a line from the eye, or point of sight. Visual white (Physiol.), the final product in the action of light on visual purple. It is reconverted into visual purple by the regenerating action of the choroidal epithelium. Visual yellow (Physiol.), a product intermediate between visual purple and visual white, formed in the photochemical action of light on visual purple.
Rhodopsin
Rhodopsin Rho*dop"sin, n. [Gr. "ro`don rose + "w`ps eye.] (Physiol.) The visual purple. See under Visual.

Meaning of Opsin from wikipedia

- Animal opsins are G-protein-coupled receptors and a group of proteins made light-sensitive via a chromop****, typically retinal. When bound to retinal...
- Vertebrate visual opsins are a subclass of ciliary opsins and mediate vision in vertebrates. They include the opsins in human rod and cone cells. They...
- wavelengths of opsins with those of typical humans (S-opsin at 420 nm and L-opsin at 560 nm). Most mammals have retained only two opsin classes (LWS and...
- an apoprotein, he called it opsin, which today would be described more narrowly as apo-rhodopsin. Today, the term opsin refers more broadly to the class...
- retina. A photon is absorbed by a retinal chromop**** (each bound to an opsin), which initiates a signal cascade through several intermediate cells, then...
- It is caused by variation in the functionality of the red and/or green opsin proteins, which are the photosensitive pigment in the cone cells of the...
- retinal proteins called opsins and encoded by the gene Opn4. In the mammalian retina, there are two additional categories of opsins, both involved in the...
- Opsin-5, also known as G-protein coupled receptor 136 or neuropsin is a protein that in humans is encoded by the OPN5 gene. Opsin-5 is a member of the...
- Green-sensitive opsin is a protein that in humans is encoded by the OPN1MW gene. OPN1MW2 is a similar opsin. The OPN1MW gene provides instructions for...
- 200 females (0.5%). The condition is more prevalent in males, because the opsin genes responsible are located on the X chromosome. Rarer genetic conditions...