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Micro Eukaryotes 4

Helminths

QuestionAnswer
IV. Helminths This group has some of the largest microbes. The microscopic stages are the diagnostic stages and that is why we study them in microbiology. 1. Nematodes or roundworms 2. Platyhelminths or flatworms
1. Nematodes or roundworms a. Ascaris lumbricoides b. Enterobius vermicularis c. Trichuris trichura d. Trichinella spiralis e. Necator americanus/Ancylostoma duodenale f. Strongyloides stercolaris g. Wuchereria bancrofti
Ascaris lumbricoides Nematodes or roundworms i. larva migrans ii. orifices can release worms
Enterobius vermicularis Nematodes or roundworms i. pinworm, beddings ii. family affected iii. Test tape test to get the eggs
Trichuris trichura Nematodes or roundworms i. barrel shaped eggs ii. contaminated pork
Trichinella spiralis Nematodes or roundworms i. larvae encyst in muscle ii. raw ham or roast a problem
Necator americanus/Ancylostoma duodenale Nematodes or roundworms i. hookworms, latch to intestinal walls and suck every nutrient out ii. anemia can be so severe, patients faint
Strongyloides stercolaris Nematodes or roundworms . hookworms, latch to intestinal walls and suck every nutrient out ii. anemia can be so severe, patients faint
Wuchereria bancrofti Nematodes or roundworms i. Attacks the blood stream and the lymphatic vessels causing massive swelling of the legs and groin area. ii. Disease is known as elephantiasis. iii. Incapacitating and deforming, it socially marginates its host.
2. Platyhelminths or flatworms (Tapeworms (cestodes)) a. Tapeworms (cestodes) i. Diphyllobotrium latum = fish tapeworm 1. beware of suschi ii. Taenia saginata = beef tapeworm 1. beware of raw burgers iii. Taenia solium = pork tapeworm 1. beware of raw pork chops
2. Platyhelminths or flatworms (Flukes (trematodes) i. Schistosoma mansoni, Schistosoma haematobium, Schistosoma japonicum – lakes and rivers, 10 to 5, metacercaria that can penetrate intact skin; snail is intermediary host ii. Fasciola hepatica – Orient, fresh water mussles, fish, etc. iii. Chlonorquis
Diphyllobotrium latum Tapeworms (cestodes) fish tapeworm 1. beware of sushi
Taenia saginata Platyhelminths or flatworms beef tapeworm 1. beware of raw burgers
Taenia solium Platyhelminths or flatworms pork tapeworm 1. beware of raw pork chops
Schistosoma mansoni, Schistosoma haematobium, Schistosoma japonicum Flukes (trematodes) lakes and rivers, 10 to 5, metacercaria that can penetrate intact skin; snail is intermediary host
Fasciola hepatica Flukes (trematodes) Orient, fresh water mussles, fish, etc.
Chlonorquis sinensis Flukes (trematodes) Orient, fresh water mussles, fish, etc.
Created by: TheSkinnyRedHead
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