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Parasitology > Acanthocephalan Overview > Flashcards

Acanthocephalan Overview Flashcards

1
Q

In what two animals are Acanthocephalans most commonly found

A

Aquatic birds and fish

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2
Q

What are four aspects of Acanthocephalan morphology

A

Elongated
Cylindrical
Size variations
Retractable Proboscis

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3
Q

How does the retractable Proboscis attach to its host?

A

caudally directed spins

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4
Q

Acanthocephalans are Dioecious, what does this mean?

A

There are males and females ( girls are larger than boys)

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5
Q

Acanthocephalans have no GI tract, what other endoparasites has no GI tract?

A

Cestode

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6
Q

What do Acanthocephalans contain?

A

Acanthor

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7
Q

Intermediate hosts ingest Acanthocephalan eggs, What is a common Intermediate host?

A

An arthropod like the dung beetle

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8
Q

When an egg hatches within the Intermediate host, what Larva develops?

A

Acanthor to Acanthella to Cystacanth

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9
Q

How does the Acanthocephalan infect its Definitive host

A

The Definitive host ingests the intermediate host and the Cystocanth attaches to the ingestions

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Parasitology (28 decks)

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