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Human disease caused by parasites

Human disease caused by parasites

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Human disease caused by parasites

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Presentation Transcript

  1. Human disease caused by parasites • Predominant intestinal parasites Intestinal entry and maturation • Intestinal entry, disease elsewhere Larval stage leaves the gut • Skin entry, gut manifestations Mature stage enters the gut • Skin entry, disease elsewhere Dissemination Failure to complete life cycle

  2. Predominant intestinal parasites Intestinal worms: ascaris lumbricoides trichuris trichiuria taenia saginata enterobius vermicularis Intestinal protozoans giardia lamblia cryptosporidium parvum entamoeba histolytica

  3. Human disease caused by parasites • Intestinal entry, disease elsewhere acquired toxoplasmosis hydatid disease (echinococcus) cysticercosis (taenia solium) visceral larva migrans (Toxocara canis) trichinosis (trichinella spiralis) • Skin entry, intestinal manifestations Hookworm Strongyloides Schistosoma mansoni

  4. Human disease caused by parasites • Skin entry, localized disease Leishmaniasis Filariasis • Skin entry, disease by dissemination Malaria Trypanosomiasis Schistosomiasis

  5. Intestinal Parasites : mode of infection

  6. Intestinal parasites: Symptoms

  7. Intestinal Parasites : Symptoms

  8. Intestinal Parasites : Surgical Symptoms