title: The site of the permeability barriers in frog skin epithelium.
mesh_terms: D000818:Animals; D001001:Anura; D007811:Lanthanum / Q000378:metabolism; D008854:Microscopy, Electron; D010539:Permeability; D012428:Ruthenium / Q000378:metabolism; D012867:Skin / Q000166:cytology* / Q000378:metabolism
chemical_list: D007811:Lanthanum; D012428:Ruthenium