title: The fine structure of retinal capillaries in normal and increased permeability as revealed by ruthenium red staining.
mesh_terms: D000818:Animals; D001485:Basement Membrane; D002196:Capillaries / Q000166:cytology*; D002199:Capillary Permeability; D004847:Epithelial Cells; D005110:Extracellular Space; D006632:Histamine; D006801:Humans; D008854:Microscopy, Electron; D051381:Rats; D012171:Retinal Vessels / Q000166:cytology*; D012428:Ruthenium; D013045:Species Specificity; D013194:Staining and Labeling
chemical_list: D012428:Ruthenium; D006632:Histamine