title: Models of the urinary concentrating mechanism.
mesh_terms: D000818:Animals; D006801:Humans; D007671:Kidney Concentrating Ability; D007679:Kidney Medulla / Q000502:physiology; D007685:Kidney Tubules, Collecting / Q000502:physiology; D008138:Loop of Henle / Q000502:physiology; D008433:Mathematics; D008954:Models, Biological; D009994:Osmolar Concentration; D012965:Sodium Chloride / Q000378:metabolism; D014508:Urea / Q000378:metabolism
chemical_list: D012965:Sodium Chloride; D014508:Urea