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35 Cards in this Set
- Front
- Back
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Plasmodium vivax
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malaria w/ hypnozoites and schuffner's dots
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Plasmodium ovale
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malaria w/ hypnozoites and schuffner's dots
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Plasmodium malariae
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malaria w/ no hypnozoites but may persist in bloodstream
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Plasmodium falciparum
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- malaia that invades red cells of all ages
- sickle-shaped gametocyte |
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Babesiosis
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- mild illness
- may be mistake for malaria - from white-footed mouse to tick to you |
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Toxoplasma gondii
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- from cat or undercooked meat
- can survive in M's by preventing lysosome fusion - accute, conginital and AIDS forms |
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Cryptosporidium
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- cattle pathogen
- mild diarrhea in normal, severe if immunosuppressed - No effective treatment - cytst are choline resistant |
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Cyclospora
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- like Cryptosporidium but bigger
- No animal reservoir - Outbreaks from Guatemalan raspberries - Treatment - Bactrim |
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Trypanasomatids rhodesiense
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- East Africa - T and P
- wild animal reservoir – Glossina morsitans group, lives in savanna – accute - months to develop |
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Trypanasomatids gambiense
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- West Africa - T and P
- human reservoir – Glossina palpalis group, lives by rivers – chronic - years to develop |
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Trypanosoma cruzi
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- Chagas’ Disease - A and E
- accute and chronic |
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Leishmaniasis
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- A and P
- visceral and cuaneous forms - mainly in poorly nourished children |
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Trichomonas vaginalis
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- cysteine proteases, adhesins, hydrogenosome, Metronidazole
- most common STD - anaerobic |
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Entamoeba histolytica
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- luminal and hepatic forms
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Giardia lamblia
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- Most common GI parasite, esp children ->bad development
- cysts choline resistant - Trophozoites have 4 pairs of flagella, 2 nuclei - cysts have 4 - Human breast milk kills |
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Myiasis
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- Musca domesticus (faculative) and Bed bugs (obligatory)
– bird ectoparasites – live in beds and feel painlessly at night |
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Siphonaptera
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warmblooded fleas
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Chelicerata
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mites and ticks
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Argasids
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- soft ticks
– nocturnal feeders – bird ticks |
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Ixodidae
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- hard ticks
- complicated life style |
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Sarcoptes scabei
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- mite
- scabies in humans and "mange" in animals |
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Enterobius vermicularis
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Pinworm
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Ascaris lumbricoides
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roundworm - ingested and hatch in duodenum, penetrate, go to luungs -> pneumonitis w/ eosinophilia
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Necator americanus
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- Hookworm
- live in SI w/ teeth to get blood for nutreints and O2 |
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Ancylostoma duodenale
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- Hookworm
- live in SI w/ teeth to get blood for nutreints and O2 |
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Strongyloides stercoralis
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- from skin penetration
- like hookworm, but eggs hatch in intestine and motile larvae passed in feces - auto-reinfection - bad if immunosuppressed so screen transplants |
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Cutaneous larva migrans
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- hookworm larvae of dog enter's human skin
- produce migrating inflam rxn |
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Visceral larva migrans
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- when kids ingest soil w/ dog or cat roundworm, Toxocara canis or cati
- cant mature in humans, so it migrates to the liver - Symptoms rare - sometimes migrate to eye and cause retinal lesions, or to the brain and cause seizures |
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filariae
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blood and tissue nematodes
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Wuchereria bancrofti
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elephantiasis or Lymphatic filariasis
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Onchocerca volvulus
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make microfilariae that migrate in skin -> intense itching, even blindness
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Taenia saginata
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tapeworm from cow
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Taenia solium
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tapeworm from pig
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trematodes
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flukes - flatworms
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Schistosomes
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- bloodfulke that causes intestinal or urinary infection
- has to infect a snail |
