title: Analysis of countercurrent diffusion exchange in blood vessels of the renal medulla.
mesh_terms: D000818:Animals; D001783:Blood Flow Velocity; D002196:Capillaries / Q000502:physiology*; D002199:Capillary Permeability; D003377:Countercurrent Distribution; D006224:Cricetinae; D004058:Diffusion; D004912:Erythrocytes; D007684:Kidney Tubules / Q000033:anatomy & histology / Q000098:blood supply* / Q000502:physiology; D008297:Male; D008433:Mathematics; D008833:Microcirculation / Q000033:anatomy & histology / Q000502:physiology; D008954:Models, Biological; D010477:Perfusion; D012039:Regional Blood Flow; D012964:Sodium / Q000378:metabolism
chemical_list: D012964:Sodium