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29 Cards in this Set
- Front
- Back
Parasite |
Organisms that derive nutrients from a host |
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Side note |
Most protozoa are nonpathogenic |
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Pellicle |
Protective covering on some protozoas that necessitates specialized structures to take in food |
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Vegetative form of Protozoa was |
Trophozoite |
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Protective capsule of protozoa |
Cyst. Allows the organism to survive adverse conditions |
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Sarcodina (amoebas) |
Move by psuedopods |
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Mastigophora (flagellates) |
Move by one or more flagella |
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Ciliate (ciliates) |
Move by hair like extensions called cilia |
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Sporozoa (apicomplexans) |
Not motile Obligate intercellular parasites |
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Platyhelminths |
Flat worms Include trematodes and cestodes |
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Nematodes |
Round worms, Cylindrical and tapered at each end |
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Trematodes |
Type of flatworm Has flat leaf shaped bodies with a ventral sucker and oral sucker |
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Cestodes |
Tapeworms The head (scolex) has suckers for attaching to the intestinal mucosa of the host |
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Entamoeba histolytica |
Amoeba From feces in drinking water Dysentery |
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Giardia lamblia |
Flagellate From feces in drinking water Diarrhea |
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Trypanosoma gambiense |
Flagellate From tsetse fly African sleeping sickness |
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Balantidium coli |
Ciliate From feces in drinking water Dysentery |
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Cryptosporidium |
Apicomplexan From animal feces in the water Diarrhea |
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Plasmodium |
Apicomplexan From female anopheles mosquito bite Malaria |
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Toxoplasma Gondii |
Apicomplexan From undercooked or raw meat, also from cat feces Toxoplasmosis |
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Schistosoma |
Trematodes Cercariae throgh the skin Schistosomiasis |
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Chlonorchis sinensis |
Trematode From raw fish Chinese liver fluke |
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Taenia (saginata) |
Cestodes from under cooked or raw beef Beef tapeworm infestation |
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Taenia (solium) |
Cestode From undercooked or raw pork Neurocysticercosis |
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Ascaris lumbricoides |
N/a From eggs in fecally contaminated soil |
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Enterobius vermicularis |
Pinworm Eggs on hands or fomite |
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Nectarines americanus |
Hookworm From larvae in soil burrowing into feet |
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Trichuris trichiura |
Whip worm Eggs in fecally contaminated soil |
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Trichinella spiralis |
N/a From pork Muscle biopsy |