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L’équilibre acidobasique est assuré par le rein qui maintient en permanence un bilan nul entre la formation de protons issus du métabolisme cellulaire et leur élimination par excrétion urinaire. Cette exigence est rendue nécessaire par la capacité des protons à se lier aux protéines, ce qui modifie leur structure et leurs fonctions. Le rein doit aussi régénérer les bicarbonates. Cet organe n’est pas...