Scanning electron microscopy of the bullfrog's retina and pigment epithelium.
D000221:Adaptation, Ocular; D000818:Animals; D001001:Anura; D003594:Cytoplasmic Granules; D004847:Epithelial Cells; D004848:Epithelium / Q000378:metabolism; D008543:Melanins; D008855:Microscopy, Electron, Scanning; D010786:Photoreceptor Cells / Q000166:cytology; D010860:Pigments, Biological / Q000378:metabolism*; D011892:Rana catesbeiana / Q000033:anatomy & histology*; D012160:Retina / Q000166:cytology*
D008543:Melanins; D010860:Pigments, Biological