14原虫概论溶组织内阿米巴结肠内阿米巴课件.ppt

14原虫概论溶组织内阿米巴结肠内阿米巴课件,阿米巴原虫,巴氏阿米巴原虫,阿米巴原虫感染,阿米巴原虫病,福氏耐格里阿米巴原虫,棘阿米巴原虫,食脑阿米巴原虫,阿米巴原虫治疗,齿龈内阿米巴原虫医学原虫 medical protozoon 概论 Characters: 单细胞真核生物体积微小构造简单,具生命的基本特征和功能可寄生于细胞、体液、组织或腔道中,有致病性、非致病性之分 Medical protozoon Protozoa: above 65000 species Medical protozoa: about 40 species Asexual binary fission (二分裂) multiple fission (多分裂) budding (出芽生殖) Sexual gametogony (配子生殖) conjugation (结合生殖) How to reproduce? How to cause disease? proliferation ( 增殖作用) 增殖作用) Spreading ( 播散能力) 播散能力) opportunistic infection Classfication According to otor organelles( 运动器官): Pseudopodium (伪足) : 阿米巴 Flagellum (鞭毛) : 鞭毛虫 Cilia (纤毛) : 纤毛虫 no otor organelles: 孢子虫 Amoeba Free-living : nonpathogenic amoeba pathogenic: 耐格里阿米巴, mensalism : 迪斯帕内、结肠内、齿龈、微小内巴、哈门氏内、布氏嗜碘 parasitism :溶组织内阿米巴!!! Entamoeba histolytica 溶组织内阿米巴 move with pseudopodium move with pseudopodium (伪足(伪足) ) amoeba dysentery (痢疾阿米巴痢疾阿米巴)