視紫質,視網膜紫質
Rhodopsin \Rho*dop"sin\, n. [Gr. "ro`don rose + "w`ps eye.] (Physiol.) The visual purple. See under {Visual}.
rhodopsin n : a red photopigment in the retinal rods of vertebrates; dissociates into retinene by light [syn: {visual purple}, {retinal purple}]