title: Computer simulation of osmotic gradient without active transport in renal inner medulla.
mesh_terms: D001693:Biological Transport, Active; D003201:Computers; D003377:Countercurrent Distribution; D004231:Diuresis; D007668:Kidney / Q000378:metabolism / Q000502:physiology*; D007671:Kidney Concentrating Ability; D007679:Kidney Medulla / Q000502:physiology; D007684:Kidney Tubules / Q000378:metabolism / Q000502:physiology; D008138:Loop of Henle / Q000502:physiology; D008954:Models, Biological; D009994:Osmolar Concentration; D011506:Proteins / Q000378:metabolism; D012964:Sodium / Q000378:metabolism; D014508:Urea / Q000378:metabolism; D014867:Water / Q000378:metabolism
chemical_list: D011506:Proteins; D014867:Water; D014508:Urea; D012964:Sodium