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18 Cards in this Set
- Front
- Back
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Most important trematode in man?
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Schistosoma
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Adult flukes live in _______.
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venules
S. japonicum & S. mansoni=mesenteric venules S. haematobium=bladder venules |
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Intermediate host of blood flukes?
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Snail
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Infective stage of blood fluke (schistosoma)?
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Cercariae in water directly penetrate skin of man
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Definitive host of blood flukes?
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Man
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Human infection with bird schistosomes causes ______.
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Swimmer's Itch
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Conspicuous lateral spine
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S. mansoni
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Inconspicuous lateral knob
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S. japonicum
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Terminal spin
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S. haematobium
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Diagnostic stage of blood flukes is demonstration of egg in _____ or _____.
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Feces or urine (S. haematobium)
-May NOT be seen in flotation techniques (large eggs sink) |
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Found in _______ hemisphere.
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Western Hemisphere
Not in US due to lack of appropriate snail. |
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Cirrhosis of liver
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S. mansoni
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Bladder cancer
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S. haematobium
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Parasites that appear in URINE:
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Enterobium vermicularis (egg)
Schistosoma haematobium (egg) |
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Parsites appear in MUSCLES:
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Trichinella spiralis (larvae)
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Parasites appear in BLOOD:
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microfilarae (larvae)
-Except Onchocerca (skin) |
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Parasites appear in SPUTUM:
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-Paragonimus westermani (egg)
-Ascaris lumbricoides (adults) -Strongyloides stercoralis (adults, larva, eggs) |
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Parasites appear in LIVER/BILE:
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Echinococcus granulosus (larvae)
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