Absorption and secretion by the colon.
D001692:Biological Transport; D003106:Colon / Q000378:metabolism* / Q000503:physiopathology; D006801:Humans; D007408:Intestinal Absorption; D007419:Intestinal Secretions; D009584:Nitrogen / Q000378:metabolism; D014882:Water-Electrolyte Balance
D009584:Nitrogen