title: The ninth retinula cell in the ommatidium of the worker honey bee (Apis mellifica L.).
mesh_terms: D000818:Animals; D001485:Basement Membrane; D001516:Bees / Q000033:anatomy & histology* / Q000166:cytology; D008854:Microscopy, Electron; D008928:Mitochondria; D010786:Photoreceptor Cells; D012160:Retina / Q000166:cytology*; D013194:Staining and Labeling; D014795:Visual Pathways / Q000166:cytology