Potential of active excretion of ammonia in three different haline species of crabs

  title={Potential of active excretion of ammonia in three different haline species of crabs},
  author={Dirk Weihrauch and Wilhelm Becker and U. Postel and S. Luck-Kopp and Dietrich Siebers},
  journal={Journal of Comparative Physiology B},
Isolated perfused gills of stenohaline crabs Cancer pagurus adapted to seawater, brackish water-adapted euryhaline shore crabs Carcinus maenas and freshwater-adapted extremely euryhaline Chinese crabs Eriocheir sinensis were tested for their capacity to excrete ammonia. Gills were perfused with haemolymph-like salines and bathed with salines equal in adaptation osmolality. Applying 100 μmol · l−1 NH4Cl in the perfusion saline and concentrations of NH4Cl in the bath that were stepwise increased… CONTINUE READING


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