ParasitologyTest3Tapeworms

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  1. What are the two classes of tapeworm? How do they differ? Which spp are in each?
    • Pseudophyllidea: D. latum
    • scolex has bothria (grooves)
    • vitellaria scattered throughout segment
    • numerous testes
    • 1st intermediate host = crustacean
    • 2nd intermediate host = fish
    • uterus opens to a pore, eggs are shed continuously
    • shelled eggs w/ operculum
    • Cyclophyllidea: T. solium, T. saginata, H. nana, H. diminuta, D. caninum
    • Eggs accumulate in uterus
  2. define anapolytic
    • Retains terminal proglottids
    • releases long chains of "spent" proglottids simultaneously
  3. What is human cysticercosis?
    • Human infection with the cysticercus of T. solium
    • caused after proglottid bursts and cysticercus is released in
  4. Give an example of hyperparasitism
    flea (which is a parasite) carries cysticercoid of D. caninum

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Author:
victimsofadown
ID:
289019
Filename:
ParasitologyTest3Tapeworms
Updated:
2014-11-13 16:22:23
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