Photopsin - Wikipedia

Photopsin / From Wikipedia / Jump to: navigation, search ... In humans there are three different opsins that form the pigments photopsin I, II, and III. ... These photopsins have absorption maxima for...
http://en.wikipedia.org/wiki/Photopsin

 

Dictionary Contents: P

On-Line Medical Dictionary / P ...
http://cancerweb.ncl.ac.uk/omd/contents/P.html

 

EXCITATION OF CONES

... The opsins of cones are referred to as photopsins. Unlike rods, there are three distinct types of cones, each sensitive to a different wavelength range, reflecting the specific properties of photopsin to which the retinal...
http://www.chm.bris.ac.uk/webprojects2003/white/excitation_of_cones.htm

 

biology -- Britannica Online Encyclopedia

Username Password / Remember me / Forgot your password? Browse / SHOP / Log In / Search Site: / biology / Main / study of living things and their vital processes. ... Photopsin pigments operate in brighter light than...
http://www.britannica.com/EBchecked/topic/66054/biology

 

Eye - Encyclopedia, History, Geography and Biography

Eye / For other uses of this word, see eye (disambiguation). The human eye. An eye is an organ of vision that detects light. ... Rhodopsin, of rods, breaks down into opsin and retinal; iodopsin of cones breaks down into...
http://www.arikah.net/encyclopedia/Eye