Countercurrent exchange of heat in the dog kidney.
D000818:Animals; D001831:Body Temperature; D004285:Dogs; D005260:Female; D007668:Kidney / Q000502:physiology*; D008297:Male; D008433:Mathematics; D012077:Renal Artery / Q000502:physiology; D012082:Renal Veins / Q000502:physiology; D013816:Thermodynamics