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30 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Parasitic worms are termed as ____ and the diseases that they cause are called _____ |
Helminths, Helminthoses |
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What are the two Phylums of Helminths? |
Plathelminthes and Nemathelminthes |
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Trematodes come under the phylum _____ |
Plathelminthes |
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Biohelminths have how many hosts? |
2 hosts (definitive and intermediate) |
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If intermediate host is absent then the parasitic worms are called ____ |
Geohelminths |
Larvae matures in the environment |
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Excretory system consists of ___ cells |
Flame |
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In which class of Helminths, all organisms are biohelminths? |
Trematodes |
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What are the two prominent suckers in plathelminthes? |
Oral and ventral (acetabulum) |
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First stage larva is motile and ciliated and is called ____ |
Miracidium |
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The intermediate host Miracidium penetrates into is ____ |
Freshwater snail |
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Inside snail, miracidium turns into ____ |
Sporocyst |
(Sac like) |
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Sporocyst--> Re____ stages--> ___riae |
Rediae, Cercariae |
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In some species cercariae encyst on water vegetation to form ____ |
Adolescariae |
Infective stage |
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Adolescariae invade second intermediate host (fish, crab or others) to form ____ |
Metacercariae |
Infective stage |
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Infection occurs by ingesting ___ from aquatic plants and ___ from second intermediate host. |
Adolescariae, Metacercariae |
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Fasciola hepatica causes ____ |
Fascioliasis |
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The adult worm is located in ____ of definitive host. |
Gall bladder and Bile ducts |
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The definitive host of fasciola hepatica is ____ |
Sheep(main host) Others- herbivorous animals |
Sometimes humans |
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Intermediate hosts of Fasciola Hepatica are ___ |
Snails (from genus Lymnea) |
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Metabolic products of fasciola causes ____ reactions |
Toxic allergic |
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At chronic stage of which disease there is inflammation of gall bladder, liver and jaundice |
Fascioliasis |
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Diagnosis for fascioliasis? |
Ovoscopy and serodiagnosis |
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Dicrocoelium lanceatum is the agent for _____ |
Dicrocoeliasis |
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Location of Dicrocoelium lanceatum in definitive host? |
Bile ducts and Gall bladder |
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Body of dicrocoelium lanceatum is ____ shaped |
Lancet |
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How many hosts in dicrocoelium lanceatum? |
3 (one definitive and two intermediate) |
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First intermediate host in dicrocoelium lanceatum is ___ |
Snail (from genera Abida, Hellicela) |
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Second intermediate host in dicrocoelium lanceatum is ___ |
Ant |
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Which diseases is sporadic in humans? |
Dicrocoeliasis |
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In dicrocoelium lanceatum cercariae agglomerate to form ____ |
Slime balls |
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