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16 Cards in this Set
- Front
- Back
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Life cycle of Shistosoma
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eggs in human feces---feces in water---infect snail---mature w/in the snail to cecariae---penetrate human skin---travel through heart and lungs to vessels surrounding GI---lay eggs in feces
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Disease caused by blood flukes
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Shistomiasis
-3 parts 1. Dermitis (site of penetration) 2. Katayma fever 3. chronic fibrosis around eggs |
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Taniea saginata
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Beef Tapeworm
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Taniea Solium
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Pork Tapeworm
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Human disease cuased by ingesting Taniea Solium eggs
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Cystersercosis...can lead to neurocystersercosis
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Diphylobothrium latum
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Fish tape worm
can lead to B12 def. seen in Cool lakes and streams so it lives in NE |
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Echinococcus
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hx of being around sheep dogs
-cause hydatid cysts -large cyts w/ daughter cysts seen in liver is pathoneumonic |
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Trichuris trichiura
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WHIPWORM
can lead to rectal prolapse |
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Ascaris lumbricoide
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lives in lg intestine
-can see ASTHMA like sx and Lots of eosinophila bc female lays hundreds of eggs |
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Necator americannas
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Hookworm
-ground itch -can lead to iron def. anemia-seen in southeast |
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Stonglyoides sterocoralis
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only worm that can complete it's life cycle in humans
-can see war in poop -can cause pneumonitis -causes an extreme autoinfection in HIV pts |
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-Enterobius vermicularis
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PINWORMS
-cause puritis ani -do scotch tape test in perianal region to dx -M/C worm infection in US |
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Visceral larval migrans
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caused by toxocara from cat or dog (round worms in the gi system of these animals)
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Cutaneous larval migrans
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cuased by human incounter w/ dog or cat HOOKworms
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Trichinella spiralis
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will encyst in our muscles
-get from undercooked pork -myalgia signs |
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Lymphatic filiari worms
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lead to elephantitis
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