Evidence for two separate categories of junctional particle during the concurrent formation of tight and gap junctions.
D000818:Animals; D002462:Cell Membrane / Q000648:ultrastructure; D005614:Freeze Fracturing; D007365:Intercellular Junctions / Q000648:ultrastructure*; D008854:Microscopy, Electron; D009457:Neuroglia / Q000648:ultrastructure; D013112:Spiders / Q000254:growth & development / Q000648:ultrastructure*