Cells showing immunoreactivity to pancreatic polypeptide, glucagon and substance - P were not detected.

胰高血糖素 、 胰多肽和P - 物质在消化道各段均未检出阳性细胞.

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Substance P may contribute to the maintenance of hyperdynamic circulation.

P物质对维持门脉高压高动力循环起重要作用.

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Results The result showed that mast cell located near substance P positive neurons.

结果在P物质免疫反应阳性的神经元和神经纤维周围散在着肥大细胞.

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