title: Concentration of urine in a central core model of the renal counterflow system.
mesh_terms: D006801:Humans; D007668:Kidney / Q000502:physiology*; D007671:Kidney Concentrating Ability; D007672:Kidney Cortex / Q000502:physiology; D007679:Kidney Medulla / Q000502:physiology; D007684:Kidney Tubules / Q000502:physiology*; D008138:Loop of Henle / Q000502:physiology; D008433:Mathematics; D008954:Models, Biological; D009399:Nephrons / Q000502:physiology; D009994:Osmolar Concentration; D012964:Sodium / Q000378:metabolism; D014508:Urea / Q000378:metabolism; D014556:Urine; D014867:Water / Q000378:metabolism
chemical_list: D014867:Water; D014508:Urea; D012964:Sodium