porphyropsin


Also found in: Dictionary, Wikipedia.

porphyropsin

(pôr′fə-rŏp′sĭn)
n.
Any of a class of purple, light-sensitive pigments similar to rhodopsin, found in the retinal rods of the eyes of freshwater fishes and certain frogs.

porphyropsin 

Visual pigment found in the retinas of freshwater fish. It differs from rhodopsin in having its maximum absorption at about 522 nm. See visual pigment.

porphyropsin

a visual pigment.