Minor Intestinal Nematodes

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12 Terms

1
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What species is considered the stomach worm of carnivores?

Physaloptera spp.

2
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What is the intermediate host of physaloptera spp.?

  • Crickets

  • Beetles

  • Cockroaches

3
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What are some paratenic hosts of Physaloptera spp.?

  • Mice

  • Frogs

  • Small vertebrae’s

4
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Morphology of physaloptera spp.

  • Males have caudal alae

  • Collar-like cuticular inflations on anterior end (cervical collar)

  • Clea, smooth, thick shelled eggs with L1

5
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What is the infective stage of physaloptera spp.? Prepatent period?

L3

PPP: 56-83 days (~2 months)C

6
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Clinical Signs of Physaloptera spp.

  • vomiting (“happy vomitters”)

  • Stomach ulcers

  • Gastritis

7
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Diagnosis of Physaloptera spp.

  • Fecal Centrifugation with Sheathers solution

  • Endoscopy

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Treatment of Physaloptera spp.

NO FDA APPROVED

  • pyrantel, steroids

9
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True or False: Physaloptera is zoonotic

FALSE

10
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Intestinal Threadworm

Strongyloides stercoralis

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True or False: Female intestinal threadworms are only parasitic.

TRUE

12
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Routes of Infection of Strongyloides stercoralis

  • Skin penetration of L3

  • Ingestion of food/water

  • Transmammary

  • Auto infection (parthenogenetic)