title: The pathophysiology of the intestinal countercurrent exchanger.
mesh_terms: D000818:Animals; D003377:Countercurrent Distribution; D003967:Diarrhea / Q000503:physiopathology*; D006801:Humans; D007408:Intestinal Absorption; D007413:Intestinal Mucosa / Q000098:blood supply* / Q000503:physiopathology; D012769:Shock / Q000503:physiopathology*