《病原生物学（人体寄生虫学）》课程实验课件（英文）03 tremode

Human ParasitologyDepartment of Pathogenic and Immunolog)SHIHEZIUNIVERSITY

Human Parasitology Department of Pathogenic and Immunology Department of Pathogenic and Immunology SHIHEZI SHIHEZI UNIVERSITY

Clonorchis sinensis1. Liver fluke egg:Looks like a sesame seedYellow brown in color,Averages 29 X 17um (the smallest helminth eggThe shellis thick and there are an operculum and asmall knob on the posterior endThe content is a miracidiumDepartment of Pathogenic and Immunology

1. Liver fluke egg: Looks like a sesame seed. Yellow brown in color, Averages 29× 17µm (the smallest helminth egg). The shell is thick and there are an operculum and a small knob on the posterior end. The content is a miracidium Clonorchis sinensis Department of Pathogenic and Immunology Department of Pathogenic and Immunology

Egg of C. sinensisDepartmentofPathogenicand Immunology

Egg of C. sinensis Department of Pathogenic and Immunology Department of Pathogenic and Immunology

Paragonimus westermani2. Lungg flukes egg is rregularlyelliptic, golden yellow in color, 80-110X 48-60um insize. The thick and asymmetric shell with a distinctoperculum encloses an ovumn surrounded bymore than 10 yolk cells

2. Lung flukes egg is irregularly elliptic, golden yellow in color, 80-110× 48-60µm in size. The thick and asymmetric shell with a distinct operculum encloses an ovum surrounded by more than 10 yolk cells. Paragonimus westermani

An operculum and golden yellow in color.The shell is asymmetric in thicknessThe content is an ovum and more than 10yolk cells.Department of Pathogenic and Immunology

An operculum and golden yellow in color. The shell is asymmetric in thickness. The content is an ovum and more than 10 yolk cells. Department of Pathogenic and Immunology Department of Pathogenic and Immunology

Fasciolopsis buski3. Intestinal FlukeeggOval in shape,Slight yellow in color,130-140 X 80-85μ(thelargesthelminth egg)The thinner shell with anoperculum encloses an ovumand 20-40 yolk cells

3. Intestinal Fluke egg Oval in shape, Slight yellow in color, 130-140× 80-85µ(the largest helminth egg). The thinner shell with an operculum encloses an ovum and 20-40 yolk cells. Fasciolopsis buski

4. Schistosoma eggOval in shape, slight yellow in color, 89 x 67umshell is thin without an operculum but with a lateralspine.The content is a miracidiumUnder the electron microscope there are manymicro-tubules on the shell, through which the solubleegg antigen (SEA) secreted by a miracidium.Department of Pathogenic and Immunology

4. Schistosoma egg Oval in shape, slight yellow in color, 89 x 67µm, shell is thin without an operculum but with a lateral spine. The content is a miracidium. Under the electron microscope there are many micro-tubules on the shell, through which the soluble egg antigen (SEA) secreted by a miracidium. Department of Pathogenic and Immunology Department of Pathogenic and Immunology

Schistosoma japonicumoval in shape, slight yellow in color, shelis thin without an operculum but with alateralspineDepartment of Pathogenic and Immunology

oval in shape, slight yellow in color, shell is thin without an operculum but with a lateral spine. Schistosoma japonicum Department of Pathogenic and Immunology Department of Pathogenic and Immunology

Some eggs are flowed新生虫肉into liver or capillarybeds cause egg-granulomaDepartment of Pathogenicand Immunology

Some eggs are flowed into liver or capillary beds cause egg-granuloma Department of Pathogenic and Immunology Department of Pathogenic and Immunology

生虫Some eggs are flowed into liver or capillarybeds cause egg-granulomaDepartment of Pathogenic and Immunology

Some eggs are flowed into liver or capillary beds cause egg-granulomaDepartment of Pathogenic and Immunology Department of Pathogenic and Immunology