title: Countercurrent exchange in the renal medulla.
authors.forename: A W
authors.initials: AW
authors.lastname: Cowley
authors.forename: R R
authors.initials: RR
authors.lastname: Roman
mesh_terms: D000818:Animals; D001692:Biological Transport; D007679:Kidney Medulla / Q000033:anatomy & histology / Q000098:blood supply / Q000378:metabolism*; D008833:Microcirculation; D012079:Renal Circulation; D014867:Water / Q000378:metabolism
chemical_list: D014867:Water