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Parasitology > Cestodes > Flashcards

Cestodes Flashcards

1
Q

What is the hold fast organ for tapeworms?

A

Scolex

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2
Q

What are the 4 suckers on the scolex of a true tapeworm called?

A

Acetabula

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3
Q

How do tapeworms take in nutrients?

A

Through tegument

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4
Q

What is an achorlike organelle with backwards facing hooks possessed by tapeworms?

A

Rosetllum

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5
Q

What is the reproduction type in tapeworms?

A

Hermaphrodite

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6
Q

What are eggs in the gravis proglottids that contain the larval stage called?

A

Hexacanth (6 hooks)

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7
Q

How is a pyriform apparatus type egg like?

A

It has 3 coverings, the innermost is pear shaped.

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8
Q

Which tapeowkr has multiple hexacanth in each egg packet?

A

Dipylidium

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9
Q

Which tapeworm egg has an speculum at one end?

A

Pseudophyllidean egg

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10
Q

Which larval stage is in an arthropod?

A

Cystercercoid

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11
Q

Which larval stage is in a mammalian host?

A

Cystercercus

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12
Q

Name a tapeworm that has a bladder work or cystercercus stage?

A

Taenia pisiformis or the canine taeniid tapeworm

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13
Q

What is the class for pseudotapeworms?

A

Cotyloda

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14
Q

What is the ciliated hexacanth embryo if pseudotapeworms called?

A

Coracidium

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15
Q

When ingested by a copepod, the coracidium develops to what stage?

A

Procercoid

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16
Q

Once eaten by the definitive host, a procercoid becomes what?

A

Pleroceroid

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17
Q

What is the name for all of the connected proglottids?

A

Strobila

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18
Q

Moniezia are commonly called what?

A

Ruminant tapeworms

19
Q

What is the Intermediate host for Moniezia?

A

Grain mite

20
Q

What is the larval stage of Moniezia?

A

Metacestode

21
Q

What is the common name for Anoplocephala?

A

Equine tapewor

22
Q

Which tapeworm is the double pored tapeworm?

A

Dipylidium caninum or cucumber seed tapeworm

23
Q

How do animals get dipylidium?

A

Ingestion of fleas

24
Q

How is Dipylidium diagnosed?

A

Egg packets fo on fecal flotation or proglottids are seen in feces, bedding or haircoat.

25
Q

What is the Intermediate host for Taenia psiformis?

A

Rabbit

26
Q

What is a zoonotic and dangerous tapeworm and why?

A

Echinococcus, because it is bodu migrant and tiny

27
Q

The unilocular hydatid cyst is found where?

A

Liver, lung and other organs in ruminants

28
Q

The alveolar hydatid cyst is found where?

A

Liver or lungs or rodent Intermediate host

29
Q

Where do digenetic trematodes parasitize?

A

Internally of domestic and wild animals

30
Q

Where do monogenetic trematodes parasitize?

A

External, on scales of reptiles

31
Q

What is fluke puke?

A

Regurgitated ceccal contents, because they dont have an anus

32
Q

What is the fluke larval motile stage called?

A

Miracidium

33
Q

What is the sporocyst?

A

Developmental stage after penetration of the miracidium into a snail , 1st Intermediate host

34
Q

What is the ventral sucker used as a hold fast organ in digenetic flukes?

A

Acetabulum

35
Q

What is the common name for Nanophyetus salkincola?

A

Salmon poisoning fluke of dogs

36
Q

What is the common name for platynosomum fastosum?

A

Lizard poisoning fluke of cats

37
Q

What is the common name for Fascioloides magna?

A

Liver fluke of white tailed deer

38
Q

What is a black spot?

A

Melanin deposit in response to present of metacercaria

39
Q

Avian schistisomes cause what in humans?

A

Swimmer’s itch

40
Q

What is the common name for schistosomes?

A

Blood flukes

41
Q

What makes blood flukes unique?

A

They are not hermaphrodites

42
Q

Where does lizard poisoning fluke in cats live?

A

Bike ducts

43
Q

What is a juvenile fluke called?

A

Metacercaria, produced in fish

Parasitology (4 decks)

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