title: The fine structure of the eye of a visual mutant, A-type of Drosophila melanogaster.
mesh_terms: D004331:Drosophila melanogaster / Q000166:cytology*; D005123:Eye / Q000166:cytology; D008854:Microscopy, Electron; D009154:Mutation; D010786:Photoreceptor Cells / Q000166:cytology*