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通过解剖和HE染色观察患红皮病半滑舌鳎各器官的病理组织学变化。病鱼体表充血、出血,无眼侧皮肤溃烂、淤血,鳃丝溃烂、有大量粘液;肝胰脏和脾脏肿大、淤血出血;小肠充血、出血。皮肤变性坏死以及粘膜下层出血,肌纤维间有血红细胞的渗透和淤积,腮小腺上皮变性坏死,出鳃动脉充血。心肌纤维结构松散、出现大面积断裂,肝脏细胞水肿、细胞变性、细胞核集中。肾脏间质出现局灶性的大面积组织崩解和坏死小肠粘膜下层坏死脱落、出血。结果显示:患红皮病的半滑舌鳎多个组织器官表现为充血、出血和坏死。
The histopathological changes of each organ in the half-smooth tongue of erythroderma were observed by anatomy and HE staining. Disease fish surface congestion, bleeding, non-ocular side skin ulceration, congestion, gill filaments ulceration, a large number of mucus; hepatopancreas and spleen enlargement, congestion bleeding; intestinal congestion, bleeding. Skin degeneration and necrosis and submucosal hemorrhage, there is infiltration and deposition of red blood cells between muscle fibers, parotid gland epithelial degeneration and necrosis, gill artery congestion. Myocardial fiber structure is loose, there is a large area of fracture, liver cell edema, cell degeneration, nucleus concentration. Focal areas of renal interstitial tissue collapse and necrosis of small intestinal submucosal necrosis, bleeding. The results showed that many tissues and organs of Erythroderma gravis suffering from erythroderma showed hyperemia, hemorrhage and necrosis.