《病原生物学（人体寄生虫学）》课程实验课件（英文）02 cestoda

Human ParasitologyCestoda(TapewormsDepartment of Pathogenic and ImmunologySHIHEZI UNIVERSITY

Cestoda (Tapeworms) Human Parasitology Department of Pathogenic and Immunology Department of Pathogenic and Immunology SHIHEZI SHIHEZI UNIVERSITY

Cestoda(Tapeworms)DepartmentofPathogenicand Immunology

Cestoda (Tapeworms) Department of Pathogenic and Immunology Department of Pathogenic and Immunology

Taenia solium (Pork tapeworm1. Adultis flattened ribbon-like, creamy write incolor, measures about 2-4 m and has 700-1000proglottides.scolexneckstrobilaDepartment of Pathogenic and Immunology

1. Adult is flattened ribbon-like, creamy write in color, measures about 2-4 m and has 700-1000 proglottides. Taenia solium (Pork tapeworm) scolex neck strobila Department of Pathogenic and Immunology Department of Pathogenic and Immunology

Taenia scolex21(byP.W.PappasandS.M.Wardropscolexglobal, 1mm. With 4suckers, 1 rostellum and25-50 hooklets arranged ina double crown

scolex global, 1mm. With 4 suckers, 1 rostellum and 25-50 hooklets arranged in a double crown

Adultscolex :neck: it's the narrowest part of the bodand budding zone containinggerminative tissueimmature proglottides:width>lengthstrobila mature proglottides: width=lengthPregnant proglottides: width<lengthDepartment ofPathogenicand Immunolog

Adult scolex : neck: it’s the narrowest part of the body and budding zone containing germinative tissue immature proglottides:width>length strobila mature proglottides: width=length Pregnant proglottides: width<length Department of Pathogenic and Immunology Department of Pathogenic and Immunology

Immatureproglottidesneckare transverse rectanglelocated in the anteriorpart of the body andinnerareorgansdeveloping.DepartmentofPathogenicand Immunology

Immature proglottides are transverse rectangle, located in the anterior part of the body and inner organs are developing. Department of Pathogenic and Immunology Department of Pathogenic and Immunology

Matureproglottidesare square in shapeand located in themid part of the bodye150-200and havetestes, a centrallystraight uterus and 3lobes of ovary .DepartmentofPathogenicand Immunology

Mature proglottides are square in shape and located in the mid part of the body and have 150-200 testes, a centrally straight uterus and 3 lobes of ovary . Department of Pathogenic and Immunology Department of Pathogenic and Immunology

India Ink TechniqueTaenia soliumgravid proglotid(by P.W. Pappas and S.M. Wardrop)Pregnant(gravid) proglottides are longitudinalrectangle, located in the posterior part of the bodyand contain a branched uterus flled with eggs. Thenumber of main branches on each side of theuterus stem is 7-13DepartmentofPathogenicand Immunolog

India Ink Technique Pregnant(gravid) proglottides are longitudinal rectangle, located in the posterior part of the body and contain a branched uterus filled with eggs. The number of main branches on each side of the uterus stem is 7-13. Department of Pathogenic and Immunology Department of Pathogenic and Immunology

2. EggThe eggs of Taenia saginata and T. solium areindistinguishable morphologically The eggs are spherical, diameter 31 to 43 μmwith a thick radially striated brown embryophore: Inside each is an oncosphere with 6 hookletsTaeniaegg

2. Egg • The eggs of Taenia saginata and T. solium are indistinguishable morphologically. • The eggs are spherical, diameter 31 to 43 µm, with a thick radially striated brown embryophore. • Inside each is an oncosphere with 6 hooklets

3.Cysticercuscellulose.It is asemitransparent and elliptic bladder,about 0.6-1cm. There is fluid and a whitescolex with 4 suckers and hooklets in thebladder

3.Cysticercus cellulose. It is a semitransparent and elliptic bladder, about 0.6-1cm. There is fluid and a white scolex with 4 suckers and hooklets in the bladder