title: Fine structure of capillaries in the pecten oculi of the sparrow, Passer domesticus.
mesh_terms: D000818:Animals; D001485:Basement Membrane; D001717:Birds / Q000033:anatomy & histology*; D002196:Capillaries / Q000166:cytology*; D004727:Endothelium / Q000166:cytology; D005110:Extracellular Space; D002479:Inclusion Bodies; D007365:Intercellular Junctions; D008854:Microscopy, Electron; D009940:Organoids; D010860:Pigments, Biological; D012171:Retinal Vessels / Q000166:cytology*
chemical_list: D010860:Pigments, Biological