埃德蒙顿的研究人员使用了一种模型系统的胃和小肠，以模拟人类肠道条件。

The Edmonton-based researchers used a model system of the stomach and small intestine to simulate human gut conditions.

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早产儿罹患坏死性小肠结肠炎(NEC)的胃肠道疾病的风险较高，而这种疾病只有在小肠受伤时才发生，不过具体病因不详。

Infants born prematurely are at increased risk for a gastrointestinal disease called necrotizing enterocolitis (nec), which occurs when the intestine is injured. The cause is unknown.

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结论：胃肠道造影检查对发现黑斑息肉病，特别是小肠息肉有重要诊断意义，而且为无创的定期随诊提供了平台。

Conclusion:Gastrointestinal barium meal examination plays an important role in screening polyps(especially intestinal polyps)and it can also provide noninvasive measures for regular follow-up.

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