title: Tight junctions in human fetal choroid plexus visualized by freeze-etching.
mesh_terms: D002462:Cell Membrane / Q000648:ultrastructure; D002831:Choroid Plexus / Q000196:embryology / Q000648:ultrastructure*; D004847:Epithelial Cells; D004848:Epithelium / Q000648:ultrastructure; D005613:Freeze Etching; D006801:Humans; D007365:Intercellular Junctions / Q000648:ultrastructure*; D008855:Microscopy, Electron, Scanning