Nematodes
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Questions and Answers

Oval, one-side flattened with intense itching and inflammation in anal/vaginal area

  • Trichuris trichiura
  • Ascaris lumbricoides
  • Enterobius vermicularis (correct)
  • Hookworm
  • Barrel, football; hyaline polar plug at each end

  • Enterobius vermicularis
  • Trichuris trichiura (correct)
  • Capillaria philipinensis
  • Trichinella spiralis
  • May be corticated or decorticated in unfertilized and fertilized egg

  • Ascaris lumbricoides (correct)
  • Trichuris trichiura
  • Hookworm
  • Strongyloides stercoralis
  • Long buccal cavity, small genital primordium

    <p>Hookworm rhabtidi form</p> Signup and view all the answers

    Short esophagus, pointed tail

    <p>Hookworm filariform</p> Signup and view all the answers

    Short buccal cavity, prominent genital primordium

    <p>Strongyloides stercoralis rhabtidiform</p> Signup and view all the answers

    Long esophagus, notched tail

    <p>Strongyloides stercoralis filariform</p> Signup and view all the answers

    Study Notes

    Morphological Characteristics of Parasitic Worms

    • Oval shape with one side flattened, causing intense itching and inflammation in the anal or vaginal area
    • Barrel-shaped or football-shaped with a hyaline polar plug at each end
    • Eggs may have a cortical layer (corticated) or not (decorticated), both in unfertilized and fertilized states

    Buccal Cavity and Esophagus Characteristics

    • Long buccal cavity is associated with a small genital primordium
    • Short buccal cavity is associated with a prominent genital primordium
    • Short esophagus is a characteristic feature
    • Long esophagus is accompanied by a notched tail
    • Pointed tail is a distinct morphological feature

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    Description

    Identify the causes and symptoms of oval-shaped skin lesions that are one-side flattened and accompanied by intense itching and inflammation in the ano-genital area. Test your knowledge of dermatology and diagnose the condition. Learn about the possible treatments and preventive measures.

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