photopigment
Noun
-
is a type of: pigment - dry coloring material (especially a powder to be mixed with a liquid to produce paint, etc.)subtypes:
- iodopsin - a violet photopigment in the retinal cones of the eyes of most vertebrates; plays a role in daylight vision
- retinal purple, rhodopsin, visual purple - a red photopigment in the retinal rods of vertebrates; dissociates into retinene by light
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