Structure of frog photoreceptor membranes.
D000818:Animals; D001001:Anura; D008566:Membranes / Q000033:anatomy & histology*; D008854:Microscopy, Electron; D010786:Photoreceptor Cells / Q000033:anatomy & histology*; D012168:Retinal Pigments; D014961:X-Ray Diffraction
D012168:Retinal Pigments