Parasitoloy lab: Cestode slides 36-71

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    Diphyllobothrium or Spirometra passed in ribbons and each have a central pore which eggs are expelled through
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    Cittotaenia

    Rabbit is definitive host
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    Cittotaenia sp

    Rabbit is definitive host

    From cat feces
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    Monieza sp 

    In cattle, sheep and goats
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    Monieza sp.

    3 pairs of hooks observed
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    Anoplocephala mamillana 

    Have 6 hooklets

    Horse
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    Anoplocephala mamillana

    Horse
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    Anoplocephala perfoliata

    Intussusception of the ileum into the cecum

    Horse
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    Anoplocephala perfoliata

    Horse 

    Hyperplasia of ileal wall
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    Anoplocephala perfoliata 

    Horse
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    Monieza (benedeni or expansa) 

    Cattle and sheep
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    Anatomy of proglottids of Taenia sp.
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    Dipylidium caninum

    Dog, cat and fox
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    Dipylidium caninum 

    Dog, cat and fox

    Immature proglottids
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    Dipylidium caninum

    Dog, cat and fox 

    Gravid (9 months) proglottids
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    Dipylidium caninum

    Dog, cat and fox

    Egg packet
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    Taenia solium

    Pork tapeworm

    Has adapted itself to infect both humans and swine. Scolex has rounded rostellum with alternating large and small hooks and four round suckers.
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    Taenia solium

    Pork tapeworm

    Intermediate host is Cysticerus cellulosae. Muscles may become so filled with cystericeri and meat is known as "measly pork". Man acquires by eating raw or poorly cooked pork.
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    Cysticerus cellulosae-bovine heart (intermediate host) of pork tapeworm.

    Pork tapeworm: Taenia solium
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    Cysticerus cellulosae in bovine heart
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    Taenia pisiformis 

    Dogs, cats, wolves, foxes and other carnivores which possesses life cycle similar to Taenia solium
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    Taenia pisiformis

    Scolex attached to mucosa by suckers and a rostellum armed with rows of hooks.
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    Taenia taeniaformis

    Domestic and wild cats and transmitted through the ingestion of rodents. In rodent liver and produce cancer like growths.
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    Taenia taeniaformis larval in an infected mouse
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    Taenia taeniaformis

    Larval stobilocercus
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    Taenia hydatigena 

    • Intestines of wild dogs , coyotes, and wolves.
    •  
    • Cysticerus tenuicollis is another name for its larval stage also called the "thin necked bladder worm"
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    Cysticerus tenuicollis attached to the rumen in a bighorn sheep
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    Echinococcus granulosus cysts in liver. 

    Forms "hydatid cysts" in various organs, eggs ingested by sheep and cattle hatch oncospheres invade the circulatory system and lodge in various parts of the body
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    Echinococcus cysts in lung of a sheep
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    Echinococcus granulosus from the liver in a hog.
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    Echinococcus granulosus 

    Cyst in a camel lung
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    Echinococcus granulosus cysts in a human liver
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    Anoplocephala perfoliata 

    Scoleces without hooks and a single or double reproductive system.
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    Discolored abdominal fluid taken from a horse infected with Anoplocephala perfoliata
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    Monieza expansa 

    Tapeworm possessing four prominent suckers on scolex which lacks hooks and rosetllum
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    Monieza expansa 

    Proglottids
Author:
Kristenwilliams
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Card Set:
Parasitoloy lab: Cestode slides 36-71
Updated:
2015-06-24 01:56:41
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Cestodes 36 71
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Cestodes 36-71
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