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Provides information on a study that investigated the vagal inhibitory influence on interdigestive insulin secretion during fasting in an anesthetized porcine model. Methodology; Results and discussion.

Presents information on a study which assessed the sensitivity of ileal vagal afferents to short-chain fatty acid at concentrations close to those occurring during coloileal reflux episodes. Materials and methods; Results of the study; Discussion.

Discusses the relationships between cecoileal reflux in intact pigs and its relationship to motility patterns of the terminal ileum. Relationships of pH dips with MMC pattern and ileal motility patterns; Direct evaluation of reflux; Ileal pH and buffering capability.

Investigates the role of vagus in gastric emptying increased by erythromycin using a model that preserves the physiology of the distal stomach and pylorus. Characteristic of transpyloric flow; Effect of erythromycin infusion, vagal cooling on basal pyloric pressure; Pressure-flow relationships during erythromycin infusion.