title: [Ultralocalization of Na +  in the human villous tissue, with special reference to the epidermis].
mesh_terms: D004847:Epithelial Cells; D004848:Epithelium / Q000032:analysis; D005321:Extraembryonic Membranes / Q000032:analysis* / Q000166:cytology; D005260:Female; D006651:Histocytochemistry; D006801:Humans; D008854:Microscopy, Electron; D011247:Pregnancy; D012964:Sodium / Q000032:analysis*
chemical_list: D012964:Sodium