title: Deep-sea fish retinas.
mesh_terms: D000220:Adaptation, Biological; D000818:Animals; D003594:Cytoplasmic Granules; D004721:Endoplasmic Reticulum; D004848:Epithelium; D005399:Fishes / Q000033:anatomy & histology*; D006147:Guanine; D008854:Microscopy, Electron; D008928:Mitochondria; D012160:Retina / Q000166:cytology*; D012168:Retinal Pigments; D011984:Sensory Receptor Cells / Q000166:cytology
chemical_list: D012168:Retinal Pigments; D006147:Guanine