Factors affecting the microclimate pH in rat jejunum.

  title={Factors affecting the microclimate pH in rat jejunum.},
  author={Temiko Shimada},
  journal={The Journal of physiology},
1. Single-barrelled pH-sensitive microelectrodes filled with liquid ion exchanger were used to study the layer of microclimate pH in the vicinity of the surface of rat jejunum in vitro. 2. During perfusion with a Na+-containing solution of pH 7.30, a layer having a pH gradient ranging from 7.30 (pH of the luminal bulk phase) to 6.05 +/- 0.03 (pH of the deepest region) was detected in eighteen different animals. The thickness of the layer was estimated to be 600-700 microns. No regional… CONTINUE READING


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