title: Ultrastructural effects of dark-adaptation on eyes of a snail, Helix aspersa.
mesh_terms: D000818:Animals; D003623:Dark Adaptation; D005123:Eye / Q000166:cytology*; D006003:Glycogen / Q000032:analysis; D006056:Golgi Apparatus; D002479:Inclusion Bodies; D008055:Lipids / Q000032:analysis; D008247:Lysosomes; D008854:Microscopy, Electron; D010786:Photoreceptor Cells / Q000166:cytology; D012908:Snails
chemical_list: D008055:Lipids; D006003:Glycogen