LAB: Nematodes Flashcards Preview

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Flashcards in LAB: Nematodes Deck (5)
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1

Nematodes

  • commonly called roundworms
  • Bilateral, pseudocoelomates
    • Hydrostatic skeleton
  • Complete Digestive system
  • Dioecious

2

Phylum Nematoda

3

Human Pinworm (Enterobius vermicularis)

  • Lower digestive tract
  • Deposit eggs on perianal skin
  • Enter through: 
    • Anus directly
    • Anus-to-hand-to-mouth

4

Trichina worm (Trichinella spiralis​)

  • Causes trichinosis
  • live in intestinal walls of host
  • migrates to tissues - live in cysts
  • pass b/w host by consumption of uncooked meats

5

Human intestinal roundworm or ascaroid (Ascaris lumbricoides)

  • Males distinguished by a ventrally curved tail that forms a hook for copulation with the female