The photoreceptor structures.
D002734:Chlorophyll; D005123:Eye / Q000033:anatomy & histology*; D006801:Humans; D008027:Light; D010786:Photoreceptor Cells; D010788:Photosynthesis; D012168:Retinal Pigments
D012168:Retinal Pigments; D002734:Chlorophyll
CHLOROPHYLL; EYE/anatomy and histology; LIGHT; PHOTOSYNTHESIS; RETINAL PIGMENTS