The ultrastructure of the luminal surface of vascular endothelium.
D000818:Animals; D001808:Blood Vessels / Q000166:cytology*; D002415:Cats; D002540:Cerebral Cortex / Q000098:blood supply*; D004847:Epithelial Cells; D007365:Intercellular Junctions; D008855:Microscopy, Electron, Scanning