Suspected off infection of nature's, four sheep mouth skin samples are checked by laboratou identification,then paraffinembedded, HE staining, under the micrnscope histopathology observation. The results showed that: epithelial cells develops "the ballooning. " "The ballooning" of the cells rupture, and cell fusion into water purulent Blister or Pustule. And it can see the bleeding.%对自然感染疑似羊口疮的4只病羊的嘴角皮进行采样,采用石蜡包埋,H.E染色,在显微镜下进行病理组织学观察。结果显示:上皮细胞发生"气球样变";"气球样变"的细胞破裂,与细胞间脓性水肿液融合成水疱或脓疱;并可见到出血现象。
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