Abstract
A surgical procedure has been disigned which permits injection in the stomach and the duodenum by separate catheters, collection of the pancreatic juice during the experiments, recirculation of the pancreatic juice into the duodenum between experiments, and a normal circulation of bile in rats. Experiments were performed in conscious rats given either 20% ethanol or water. In rats submitted to daily ethanol consumption for 13 months, the intragastric injection of 2 g/kg 20% ethanol considerably increased the pancreatic secretion of protein and, to a lesser extent, of water. In control non-alcoholic rats, a short period of increased secretion is followed by a major inhibition of pancreatic secretion, this reverse reaction to ethanol of pancreatic secretion according to whether or not rats are adapted to regular ethanol consumption is similar to what has been previously observed in dog. In chronic alcoholic rats, the release of secretin is probably not very different from controls.
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