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Parasitology (Lecture) > Trematodes (PPT) > Flashcards

Trematodes (PPT) Flashcards

1
Q

Helminths without body cavity

A

Acoelomate

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2
Q

More than 1 host

A

Heteroxenous

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3
Q

One or more sexually reproducing embryonic stages

A

Polyembryony

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4
Q

means genital suckers

A

Gonotyl

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5
Q

Gross morphology of trematodes:

A
  1. All flukes have leaf like appearance except Schistosoma
  2. All flukes have metacercarias infective stage except Schistosoma
  3. All flukes are hermaphrodytic except Schistosoma
  4. All flukes has operculated egg except Schistosoma
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6
Q

Orders under Sub-Class Digenia:

A
  1. Order Echinostomatiformes
  2. Order Strigeatida
  3. Order Opistochiformes
  4. Order Plagiorchiformes
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7
Q

Family under Order Echinostomatiformes:

A
  1. Family Fasciolidae
  2. Family Echinostomatidae
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8
Q

What Order in which the adult lives in small intestine and biliary passages of vertebrates

A

Order Echinostomatiformes and Order Plagiorchiformes

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9
Q

An Order in which the genital suckers are present

A

Order Echinostomatiformes

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10
Q

An Order in which the acetabulum in adult is midventral

A

Order Echinostomatiformes

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11
Q

An Order in which the adult body is with spines

A

Order Echinostomatiformes

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12
Q

An Order in which the uterus is extending from ovary to preacetabular area

A

Order Echinostomatiformes

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13
Q

Egg characteristics of Order Echinostomatiformes

A

Large operculated

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14
Q

Species under Family Fasciolidae

A
  1. Fasciola hepatica
  2. Fasciolopsis buski
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15
Q

Species under Family Echinostomatidea

A
  1. Echinostoma ilocanum
  2. Artyechinostoma malayanum
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16
Q

What Order in which its definitive stage is monoecious or dioecious

A

Order Strigeatida

17
Q

What Order has an anterior sucker which is almost always present

A

Order Strigeatida

18
Q

True or False:
Order Strigeatida’s acetabula is present

A

TRUE

19
Q

What Order is known for its cercaria having a forktail

A

Order Strigeatida

20
Q

An Order who has two pairs of flame cells in miracidium

A

Order Strigeatida

21
Q

Species under Family Schistosomatidae

A

Schistosoma spp

22
Q

An Order in which the adults live in the intestinal or biliary tract of mammals, birds, reptiles or fish

A

Order Opistorchiformes

23
Q

An Order in which the acetabulum in adult is midventral and its body is with spines

A

Order Opistorchiformes

24
Q

An Order in which its eggs are small, thick-shelled, generally less than 40 umand fully develop when laid

A

Order Opistorchiformes

25
Q

An Order in which its eggs hatch in molluscan host

A

Order Opistorchiformes

26
Q

An Order in which its cercaria encysts in the fish

A

Order Opistorchiformes

27
Q

An Order in which its cercarial tail is not forked

A

Order Opistorchiformes

28
Q

Species under Family Opistorchidae

A
  1. Opistorchis spp
  2. Clonorchis sinensis
29
Q

Species under Family Heterophyidae

A
  1. Heterophyes heterophyes
  2. Metagonimus yokogawai
30
Q

Family under Order Strigeatida:

A

Family Schistosomatidae

31
Q

Family under Order Opistorchiformes:

A
  1. Family Opistorchidae
  2. Family Heterophyidae
32
Q

An Order in which its adult body is with spines and its eggs are small to medium

A

Order Plagiorchiformes

33
Q

An Order in which its operculum is thick

A

Order Plagiorchiformes

34
Q

An Order in which its miracidium is fully developed when laid

A

Order Plagiorchiformes

35
Q

An Order that encysts in crustaceans, insects, molluscan, or other intermediate host

A

Order Plagiorchiformes

36
Q

Family under Order Plagiorchiformes:

A

Family Troglotrematidae

37
Q

Species under Family Troglotrematidae

A

Paragonimus westermani

Parasitology (Lecture) (11 decks)

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