[Basis of kidney function tests. (1) Discrimination between cortical and medullary functions].
D000818:Animals; D004285:Dogs; D007668:Kidney / Q000502:physiology*; D007672:Kidney Cortex / Q000502:physiology*; D007677:Kidney Function Tests; D007679:Kidney Medulla / Q000502:physiology*; D011817:Rabbits