title: Ultrastructural basis of the permeability barrier in urothelium.
mesh_terms: D000818:Animals; D002463:Cell Membrane Permeability; D003520:Cyclophosphamide / Q000494:pharmacology; D004847:Epithelial Cells; D004848:Epithelium; D005260:Female; D007365:Intercellular Junctions; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning; D009336:Necrosis; D011868:Radioisotopes; D051381:Rats; D012044:Regression Analysis; D012964:Sodium / Q000378:metabolism*; D012975:Sodium Isotopes; D001743:Urinary Bladder / Q000166:cytology / Q000378:metabolism*
chemical_list: D011868:Radioisotopes; D012975:Sodium Isotopes; D003520:Cyclophosphamide; D012964:Sodium