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Plastic tone of the fundal and pyloric divisions of the stomach

  • Physiology
  • Published:
Bulletin of Experimental Biology and Medicine Aims and scope

Summary

Plastic tone of the stomach was studied in three dogs with fistulae in the fundal and pyloric regions. It was found that when the balloon was inflated with air to 150 ml, in the fundal portion the pressure continued to rise only until the volume reached 80–90 ml. Further increase in volume occurred at a constant pressure of 8.5–9.5 mm Hg (the pressure was measured at intervals between gastric contractions). The maximum pressure of 6.5–7.5 mm in the pyloric portion occurred at a balloon volume of 20–25 ml. Further increase of volume to 50 ml did not affect gastric pressure. This result indicated that plastic tone was inherent not only in the fundal but also in the pyloric portion of the stomach.

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Authors and Affiliations

  1. Department of the Physiology of Digestion and Blood Circulation, Institute of Physiology, Kiev Order-of-Lening State University, Kiev, USSR

    S. D. Groisman

Authors
  1. S. D. Groisman
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Groisman, S.D. Plastic tone of the fundal and pyloric divisions of the stomach. Bull Exp Biol Med 56, 1200–1202 (1963). https://doi.org/10.1007/BF02342818

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  • DOI: https://doi.org/10.1007/BF02342818

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