Mechanism of bicarbonate absorption and its relationship to sodium transport in the human jejunum.

@article{Turnberg1970MechanismOB,
  title={Mechanism of bicarbonate absorption and its relationship to sodium transport in the human jejunum.},
  author={Leslie Turnberg and John S. Fordtran and Nicholle Carter and Floyd C. Rector},
  journal={The Journal of clinical investigation},
  year={1970},
  volume={49 3},
  pages={548-56}
}
Using a constant perfusion technique, sodium and bicarbonate absorption was studied in human subjects. The following observations were made on sodium absorption from saline solution: (a) the rate of sodium absorption is markedly influenced by bulk water flow, (b) when net water flow is zero, sodium absorption is zero if there are no concentration gradients between plasma and lumen that favor net NaCl diffusion; and (c) the PD between abraded skin and jejunal lumen is near zero when saline is… CONTINUE READING
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