title: Visualization of tubular interspaces in the kidney with the aid of lanthanum.
mesh_terms: D000818:Animals; D002024:Bufo marinus; D003404:Creatinine / Q000097:blood / Q000652:urine; D007684:Kidney Tubules / Q000033:anatomy & histology* / Q000502:physiology; D007687:Kidney Tubules, Proximal / Q000502:physiology; D007811:Lanthanum; D008722:Methods; D008854:Microscopy, Electron; D012964:Sodium / Q000097:blood / Q000652:urine
chemical_list: D007811:Lanthanum; D012964:Sodium; D003404:Creatinine