Nematodes 1

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Author:
Marytaylor
ID:
219618
Filename:
Nematodes 1
Updated:
2014-05-30 13:28:08
Tags:
Nematodes Parasitology Vet Tech
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Nematodes CD1
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  1. Dog
    Toxocara canis - Ascarid of dog
  2. Cat
    Toxocara cati - Ascarid of cat
  3. Toxascaris leonina - Ascarid of dog and cat

  4. AKA
    Ascarid Roundworm known as arrowhead
    • Division of zygote of toxocara egg
    • Left = cell
    • Right = Morula
  5. Larvae of Toxocara can live within the egg for many months
  6. Vermi-form embryo larvae developing within the eggs of Toxascaris leonina
  7. Toxocara canis ruptured - Hypertonic solution of sodium nitrate & zinc sulfate eventually ruptures cells.
  8. Dog
    • Right = Toxocara canis (Ascarid of dog)
    • Left = Toxascaris leonina (Ascarid of dog & cat)
  9. Massive Ascariasis in dog - often leads to intussusceptions
    • Isospora felis - small top (protozoan)
    • Toxocara cati - medium bottom (ascarid)
    • Isospora felis - top small (Protozoan of cat)
    • Toxocara cati - bottom medium (Ascarid of cat)
  10. Cat
    • Left = Ancylostoma tubaeformae (Hookwook of cat)
    • Right = Toxocara cati (Ascarid of cat)
  11. Parascaris equorum - Ascarid of equine
    • Parascaris equorum
    • Oblong cells = Stronglyloides (Lungworms)
    • Parascaris equorum
    • Ruptured small intestines
  12. Human
    • Ascaris lumbricoides
    • Ascarid of humans

  13. Name 2 species
    • Ascaris lumbricoides - ascarid of humans OR
    • Ascaris suum - ascarid of swine
  14. Ancylostoma sp. (Hookworms)
  15. Uncinaria stenocephala (Ancylostoma of dogs and cats - hookworm)
  16. Cat
    • Ancylostoma tubaeformae - cats (hookworm)
    • Right = Vermiform embryo
  17. Dog
    Ancylostoma caninum - Dog hookworm
  18. Dog
    • A = Uncinaria stenocephala (Ancylostoma of dogs and cats)
    • B = Toxocara canis (ascarid of dog)
    • C = Ancylostoma caninum (Hookworm of dog)
  19. Dog
    • A = Ancylostoma caninum (Hookworm of dog)
    • B = Uncinaria stenocephala (Hookworm of dogs and cats)
    • Hookworm anemia
    • Signs: White mucous membranes, weakness and death.
  20. Hookworm infection in a puppy characterized by dark tarry chocolate brown stool.
  21. Dog
    • A = Toxocara canis (Ascarid of dog)
    • B = Ancylostoma caninum (Hookworm of dog)
    • C = Toxascaris leonina (Ascarid of dogs and cats)
  22. Cat
    • Left = Toxocara cati (Ascarid of cat)
    • Right = Ancylostoma tubaeformae (Hookworm of cat)
  23. Dog
    Ancylostoma caninum (Hookworm of dog)
  24. Trichuris sp. (Whips)
  25. Dog
    Trichuris vulpis - whipworm of dogs
  26. Cat
    Trichuris campanula infreq parasite (whipworm) of cats
    • Trichuris sp - end on end orientation
    • Spots are bacteria - rods, round = cocci
  27. Dog
    • A = Trichuris vulpis (Whipworm of dogs)
    • B = Alaria canis (Trematode of dog) Stomach Fluke
  28. Dog
    • Top = Ancylostoma caninum (hookworm of dog)
    • Bottom = Trichuris vulpis (whipworm of dog)
  29. Trichuris vulpis on mucosa of the colon (Whipworm of dog)
  30. Dog
    Trichuris vulpis the whipworm of dogs and wild canids.
  31. Dog
    Eggs of Trichuris vulpis
  32. Eucoleus aerophila (Lungworms of dogs)
  33. Pig
    Trichuris suis - Whipworm of swine
  34. Pig
    Trichuris suis 400 magnification
  35. Dictyocaulus arnfeldi - Lungworm of horses

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