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【医学ppt课件】 第三十八章 吸虫

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Through this publicity campaign, further improve the sense of business integrity of tourism enterprises to help tourism consumers and operators to safeguard the legitimate rights and interests, to ensure that our City's tourism sustainable, healthy and coordinated Development. 第三十八章 吸虫 Through this publicity campaign, further improve the sense of business integrity of tourism enterprises to help tourism consumers and operators to safeguard the legitimate rights and interests, to ensure that our City's tourism sustainable, healthy and coordinated Development. 教学目的 熟悉四种吸虫的形态、生活 史及所致疾病。 Through this publicity campaign, further improve the sense of business integrity of tourism enterprises to help tourism consumers and operators to safeguard the legitimate rights and interests, to ensure that our City's tourism sustainable, healthy and coordinated Development. 1、形态 吸虫成虫呈叶状或舌状,除血吸 虫外均为雌雄同体,均有口吸盘和腹 吸盘。 概 述 2、生活史 所有吸虫生活史中均需要一个或一 个以上中间宿主。 Through this publicity campaign, further improve the sense of business integrity of tourism enterprises to help tourism consumers and operators to safeguard the legitimate rights and interests, to ensure that our City's tourism sustainable, healthy and coordinated Development. 一、形态: 1、成虫 外形:呈葵花籽仁状 口吸盘:略大于腹吸盘 腹吸盘:位于虫体前1/5处 肠支:直,位于虫体两侧 睾丸:两个,分支状,前 后排列在虫体后1/3处。 肝 吸 虫 Through this publicity campaign, further improve the sense of business integrity of tourism enterprises to help tourism consumers and operators to safeguard the legitimate rights and interests, to ensure that our City's tourism sustainable, healthy and coordinated Development. 2、虫卵 形状:似灯泡状 颜色:黄褐色 大小:最小 卵壳:厚 卵盖:明显,周缘隆起呈肩峰状,后 端有一逗点状突起。 内含物:毛蚴 Through this publicity campaign, further improve the sense of business integrity of tourism enterprises to help tourism consumers and operators to safeguard the legitimate rights and interests, to ensure that our City's tourism sustainable, healthy and coordinated Development. 二、生活史 寄生部位:肝胆管 保虫宿主:犬、猫 中间宿主:1、豆螺、沼螺 2、淡水鱼、虾 感染阶段: 囊蚴 感染途径: 经口 Through this publicity campaign, further improve the sense of business integrity of tourism enterprises to help tourism consumers and operators to safeguard the legitimate rights and interests, to ensure that our City's tourism sustainable, healthy and coordinated Development. 二、生活史 寄生部位:肝胆管 保虫宿主:犬、猫 中间宿主:1、豆螺、沼螺 2、淡水鱼、虾 感染阶段: 囊蚴 感染途径: 经口 Through this publicity campaign, further improve the sense of business integrity of tourism enterprises to help tourism consumers and operators to safeguard the legitimate rights and interests, to ensure that our City's tourism sustainable, healthy and coordinated Development. 三、致病 胆管炎、胆囊炎 阻塞性黄疸 可诱发原发性肝癌、胆管上皮癌 。 Through this publicity campaign, further improve the sense of business integrity of tourism enterprises to help tourism consumers and operators to safeguard the legitimate rights and interests, to ensure that our City's tourism sustainable, healthy and coordinated Development. 姜 片 虫 一、形态 1、成虫 外形:扁平肥厚,形似姜片 口吸盘:较小 腹吸盘:漏斗状,紧挨口吸 盘,是口吸盘的4~5倍。 肠支:波浪状弯曲 睾丸:两个,分支呈珊瑚状 前后排列于虫体后1/2处 Through this publicity campaign, further improve the sense of business integrity of tourism enterprises to help tourism consumers and operators to safeguard the legitimate rights and interests, to ensure that our City's tourism sustainable, healthy and coordinated Development. 2、虫卵 形状:长椭圆形 颜色:淡黄色 大小:最大 卵壳:薄 卵盖:小,不明显 内含物:1个卵细胞,20~40个卵黄细胞 Through this publicity campaign, further improve the sense of business integrity of tourism enterprises to help tourism consumers and operators to safeguard the legitimate rights and interests, to ensure that our City's tourism sustainable, healthy and coordinated Development. 二、生活史 寄生部位:小肠 保虫宿主:猪 中间宿主:扁卷螺 媒介植物 感染阶段:囊蚴 感染途径:经口 Through this publicity campaign, further improve the sense of business integrity of tourism enterprises to help tourism consumers and operators to safeguard the legitimate rights and interests, to ensure that our City's tourism sustainable, healthy and coordinated Development. 二、生活史 寄生部位:小肠 保虫宿主:猪 中间宿主:扁卷螺 媒介植物 感染阶段:囊蚴 感染途径:经口 Through this publicity campaign, further improve the sense of business integrity of tourism enterprises to help tourism consumers and operators to safeguard the legitimate rights and interests, to ensure that our City's tourism sustainable, healthy and coordinated Development. Through this publicity campaign, further improve the sense of business integrity of tourism enterprises to help tourism consumers and operators to safeguard the legitimate rights and interests, to ensure that our City's tourism sustainable, healthy and coordinated Development. 三、致病 肠粘膜炎症、溃疡; 严重可致肠梗阻。 Through this publicity campaign, further improve the sense of business integrity of tourism enterprises to help tourism consumers and operators to safeguard the legitimate rights and interests, to ensure that our City's tourism sustainable, healthy and coordinated Development. 肺 吸 虫 一、形态 1、成虫 外形:虫体肥厚,似半粒黑豆 口吸盘:同腹吸盘大小相似 腹吸盘:虫体中线之前 肠支:3~4个弯曲 睾丸:两个,呈分支状 左右并列于虫体后1/3处 Through this publicity campaign, further improve the sense of business integrity of tourism enterprises to help tourism consumers and operators to safeguard the legitimate rights and interests, to ensure that our City's tourism sustainable, healthy and coordinated Development. 2、虫卵 形状:椭圆形 颜色:金黄色 大小:中等 卵壳:厚薄不一 卵盖:较宽,常倾斜; 内含物:一个卵细胞,10余个卵黄 细胞 Through this publicity campaign, further improve the sense of business integrity of tourism enterprises to help tourism consumers and operators to safeguard the legitimate rights and interests, to ensure that our City's tourism sustainable, healthy and coordinated Development. 二、生活史 寄生部位:肺部 保虫宿主:犬、猫 中间宿主:1、川卷螺 2、溪蟹、 蝲蛄 感染阶段:囊蚴 感染途径:经口 Through this publicity campaign, further improve the sense of business integrity of tourism enterprises to help tourism consumers and operators to safeguard the legitimate rights and interests, to ensure that our City's tourism sustainable, healthy and coordinated Development. 二、生活史 寄生部位:肺部 保虫宿主:犬、猫 中间宿主:1、川卷螺 2、溪蟹、 蝲蛄 感染阶段:囊蚴 感染途径:经口 Through this publicity campaign, further improve the sense of business integrity of tourism enterprises to help tourism consumers and operators to safeguard the legitimate rights and interests, to ensure that our City's tourism sustainable, healthy and coordinated Development. 三、致病 肺吸虫病 异位寄生 Through this publicity campaign, further improve the sense of business integrity of tourism enterprises to help tourism consumers and operators to safeguard the legitimate rights and interests, to ensure that our City's tourism sustainable, healthy and coordinated Development. 血 吸 虫 在我国分布的主要是日本血吸虫。 一、形态 1、成虫 雌雄异体,口腹吸盘在虫体前部 雄虫粗短,乳白色;形成抱雌沟 雌虫细长,灰褐色 雌雄合抱 Through this publicity campaign, further improve the sense of business integrity of tourism enterprises to help tourism consumers and operators to safeguard the legitimate rights and interests, to ensure that our City's tourism sustainable, healthy and coordinated Development. 血吸虫成虫 Through this publicity campaign, further improve the sense of business integrity of tourism enterprises to help tourism consumers and operators to safeguard the legitimate rights and interests, to ensure that our City's tourism sustainable, healthy and coordinated Development. 2、虫卵 形状:椭圆形 颜色:淡黄色 大小:中等 卵壳:较薄,亚侧位有一小棘 卵盖:无 内含物:毛蚴 Through this publicity campaign, further improve the sense of business integrity of tourism enterprises to help tourism consumers and operators to safeguard the legitimate rights and interests, to ensure that our City's tourism sustainable, healthy and coordinated Development. 二、生活史 寄生部位:门脉—肠系膜下静脉 中间宿主:钉螺 保虫宿主:多种哺乳动物 感染阶段:尾蚴 感染途径:经皮肤 Through this publicity campaign, further improve the sense of business integrity of tourism enterprises to help tourism consumers and operators to safeguard the legitimate rights and interests, to ensure that our City's tourism sustainable, healthy and coordinated Development. Through this publicity campaign, further improve the sense of business integrity of tourism enterprises to help tourism consumers and operators to safeguard the legitimate rights and interests, to ensure that our City's tourism sustainable, healthy and coordinated Development. 三、致病 尾蚴:尾蚴性皮炎 童虫:肺部炎症 成虫:静脉内膜炎、静脉周围炎 虫卵:急性、慢性、晚期血吸虫病 Through this publicity campaign, further improve the sense of business integrity of tourism enterprises to help tourism consumers and operators to safeguard the legitimate rights and interests, to ensure that our City's tourism sustainable, healthy and coordinated Development. 血吸虫病人照片
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