首次免疫后第3周空肠中肥大细胞数量与对照组相比有极显著性增加（P<0.01）。

The lamina propria CD4+ T cells and the mast cells in jejunum were also increased(P > 0.05 and P< 0.01, respectively) at 3 weeks after oral immunization compared with control group.

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非成熟型和成熟型肥大细胞面积有显著性差异（P< 0 0 1） ，其胞浆内颗粒的大小、数量及分布区域均不同。

There was significant difference between the sizes of mature and immature mast cells (P<0.01) and also the sizes, amount and distribution of the plasma granules within these two mast cells.

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