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Related Flashcards
Cards In This Set
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What is a distinguishable characteristics of cestodas?
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They are tapeworms that completely lack a mouth or digestive tract.
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Where do cestodas get their nutrition?
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Thru syncytial tegument
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Describe Cestodarians.
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They are atypical tapeworms-don't have strobila
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What is the larva of Subclass Cestodarians called?
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Lycophore or decacanth
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Describe Subclass Eucestoda.
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They are true tapeworms
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Name the 3 body regions of a tapeworm
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Scolex-head with holdfast structure
neck-germinative zone of growth
strobila- long chain of proglottids
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Each proglottid has a complete set of ___ and ___ organs making it _____.
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Male female polyzoic
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What are microtriches?
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Hair-like structures of tegument for absorption
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Eucestodes are very well adapted to their hosts and cause _____ disease.
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Little
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What is an oncosphere?
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Subclass Eucestoda egg containing a larva with 6 hooks
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Describe a Diphyllobothrium latum (broad fish tapeworm)
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Common in fisheating mammals (raw). Intermediate host: microcrustacean eaten by fish Definitive host: mammal sm. intest
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What can diphyllobothrium latum (broad fish tapeworm) cause?
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Tapeworm anemia
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Describe the hosts of Taenia Saginata (beef tapeworm)
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Intermediate host: cattle
definitive host: human
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Describe the hosts of Taenia Solium (pork tapeworm)
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Intermediate host: pigs
definitive host: human sm. intestine
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What is neurocysticerosis?
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When human becomes the intermediate host, the cystercus larvae infect the human brain and puncture holes in it
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