title: Two forms of isolated gap junctions.
mesh_terms: D000818:Animals; D004591:Electrophoresis, Polyacrylamide Gel; D007089:Image Enhancement; D007365:Intercellular Junctions / Q000648:ultrastructure*; D008099:Liver / Q000648:ultrastructure*; D008854:Microscopy, Electron; D051381:Rats