Nematodes of the urinary system Flashcards

1
Q

Superfamily Trichuroidea

A

Pearsonema spp

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2
Q

Superfamily Dictophymoidea

A

Dictophyma renale

giant kidney worm of dogs

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3
Q

How dogs or cats get a Pearsonema infection?

A

Ingests worm, paratenic host, material containing earthworm material

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4
Q

Where does the Pearsonema larva migrate to?

A

The bladder and then lay eggs after 2 months

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5
Q

How does a dog get a Dioctophyma infection

A

Ingesting an aquatic annelid (fish/frog)

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6
Q

Where do the Dioctophyma larvae migrate to?

A

Through the liver to the kidney

Lay eggs after 4-5 months

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7
Q

Superfamily Strongyloides

A

Stephanurus dentatus

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8
Q

How do pigs get a stephanurus dentatus infection?

A

Ingestion of free L3 stage larvae

Ingestion of earthworm carrying L3

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9
Q

What happens at L3?

A

Skin penetration

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10
Q

What happens to stephanurus dentatus larvae after migration?

A

They encyst and lay eggs through a hole

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11
Q

What is the prepatent period for Stephanurus dentatus?

A

6-19 months

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