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| 集合淋巴小结 (又称 aggregated lymphatic follicle 集合淋巴滤泡或 Peyer's patch Peyer 斑,20〜30个，主要分布于回肠远段。集合淋巴小结由10〜 70个孤立淋巴小结聚集而成，呈长椭圆形,其长轴与肠管的长轴相一致,位于对系膜缘的肠壁内。肠伤寒时病菌多侵犯这些小结,可发生溃疡,甚至穿孔) | |||
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| 集合淋巴小结; 派尔斑 | |||
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