rho.dop.sin
n.（名词）The pigment sensitive to red light in the retinal rods of the eyes, consisting of opsin and retinene.Also called visual purple 视紫红质：在眼睛的视网膜棒体中红光感光的色素，由视蛋白及视黄素构成也作 visual purple
来源：rhod(o)- rhod(o)-Greek opsis [sight] * see -opsis 希腊语 opsis [景象] *参见 -opsis-in -in
