Literally meaning: “redish-purple visual ”
Origin: Anc Greek
ρόδον/rodon(=rose) >ροδή/rode(=rosebush) >ραδανός/radanos(=soft, delicate, smooth)
+ώψ/ops(=sight, face, vision)
Rhodopsin is a chromoprotein of the rod cells of retina that is extremely sensitive to light formed by an opsin protein and a derivative of vitamin A, retinal. Lack of rhodopsin results in night blindness.