Blood Flukes and Schistosomes
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Questions and Answers

Which genus do blood flukes belong to?

  • Clonorchis
  • Schistosoma (correct)
  • Opisthorchis
  • Fasciola
  • Which species of Schistosoma is associated with urinary schistosomiasis?

  • Schistosoma haematobium (correct)
  • Schistosoma mekongi
  • Schistosoma mansoni
  • Schistosoma japonicum
  • Where do adult flatworms of Schistosoma typically parasitize?

  • Lung capillaries
  • Blood capillaries of the mesenteries or bladder plexus, depending on the species (correct)
  • Blood capillaries of the liver only
  • Blood capillaries of the intestines only
  • Which feature is unique to schistosomes compared to other trematodes?

    <p>Dioecious with distinct sexual dimorphism between males and females</p> Signup and view all the answers

    Which type of schistosomiasis is caused by Schistosoma japonicum?

    <p>Oriental schistosomiasis</p> Signup and view all the answers

    Study Notes

    Blood Flukes (Schistosomes)

    • Blood flukes, also known as schistosomes, are parasitic flatworms that belong to the genus Schistosoma.
    • They are responsible for causing a significant group of infections in humans known as schistosomiasis.
    • Adult flatworms parasitize blood capillaries of either the mesenteries or plexus of the bladder, depending on the infecting species.

    Characteristics of Schistosomes

    • Schistosomes are unique among trematodes and any other flatworms in that they are dioecious, meaning they have distinct sexual dimorphism between males and females.

    Types of Schistosomiasis

    Urinary Schistosomiasis

    • Caused by Schistosoma haematobium.
    • Primarily affects the bladder and urinary system.

    Oriental Schistosomiasis

    • Caused by Schistosoma japonicum.
    • Primarily affects the intestines and liver.

    Intestinal Schistosomiasis

    • Caused by Schistosoma mansoni.
    • Primarily affects the intestines and liver.

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    Description

    Learn about blood flukes, also known as schistosomes, and their characteristics. Schistosomes are parasitic flatworms that cause infections in humans known as schistosomiasis.

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