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Parasitology FINAL > TapeWorms > Flashcards

TapeWorms Flashcards

1
Q

Class of tapeworms

A

cestoda

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2
Q

order of tapeworms

A

Cyclophyllida

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3
Q

sex of tapeworms

A

no sexual dimorphism

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4
Q

life cyle of tapeworms

A

indirect
1 intermediate host
(except Pseudophyllidea order)

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5
Q

Pseudophyllidea order

A

Dyphyllobotrhium

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6
Q

English name of Diphyllobothriosis

A

fish tapeworm infection

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7
Q

causative agent of Diphyllobothriosis

A

Diphyllobothrium latum

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8
Q

hosts of Diphyllobothriosis causative agents

A

fish eating and mammals

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9
Q

life cycle of Diphyllobothriosis causative agent

A

indirect

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10
Q

intermediate hosts of Diphyllobothriosis causative agents

A

small crustaceans
fresh water fishes

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11
Q

cycle of life of Diphyllobothriosis causative agents

A

egg -> coaracidium (L1) -> Procercoid (L2) -> Plerocercoid (L3)

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12
Q

infection of Diphyllobothriosis

A

with fish

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13
Q

clinical signs of Diphyllobothriosis

A

animals : asymptomatic
MAN: uptake of VitB12 may lead to microcytic megaloblastic anaemia in heavily infected

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14
Q

diagnosis of Diphyllobothriosis

A

eggs (zygote inside)

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15
Q

Spirometrosis causative agents

A

plerocercoid of Spirometra app.

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16
Q

Spirometrosis occurence

A

(zipper tapeworm) dogs and cats

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17
Q

life cycle of Spirometrosis causative agent

A

indirect

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18
Q

intermediate host of Spirometrosis causative agent

A
  • cyclops
  • vertèbres like frogs, snakes, birds and mammals
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19
Q

infection of Spirometrosis causative agent

A

PO: with infected 2nd intermediate hosts or paratenic hosts (rodents, pigs)

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19
Q

old name of Spirometrosis

A

sparganium

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20
Q

what are animals infected with in Sparganosis

A

plerocercoids

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21
Q

man sparganosis causative agents

A

Spirometra spp

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22
Q

Monieziosis, stilesiosis english name

A

Tapeworm disease of ruminants

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23
Q

occurence of tapeworm disease of ruminants

A

mainly lambs and kids, grazing animals

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24
Q

causative agents of Tapeworm disease of ruminants

A

Monieza expensa (dominant)
M. Benedeni
Thysanieza giardi
Avitellina centripunctata
Stilesia Globipunctata

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25
Q

adult form of tapeworm disease of ruminants

A

scolex with 4 suckers
no rostellum
double set of reproductive organs and genital pore

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26
Q

life cycle of tapeworm disease of ruminants

A

indirect

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27
Q

intermediate hosts of tapeworm disease of ruminants

A

box mites

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28
Q

cycle of life of tapeworm disease of ruminants

A

eggs (6 hooked oncosphere) –> cysticercoid (L2)

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29
Q

Diagnosis of tapeworm disease of ruminants

A

faecal discharge of single proglottids or groups of segment

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30
Q

Epidemiology of Monenzia species

A
  • infected mites can overwinter
  • M.Expensa infection in May/June in temperate zone
  • M. Benedeni in older animals
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31
Q

Eggs of Tape worms of ruminants

A
  • Expensa are triangular (one oncosphere surrounded by a pear shape embryophore)
  • Benedeni quadrangular egg
32
Q

triangular egg containing one oncosphere surrounded by a pear shape embryophore

A

M. Expansa

33
Q

English name of Echinococcus granulosus

A

the dwarf tapeworm of dogs

34
Q

English name of Echinococcus multilocularis

A

the dwarf tapeworm of foxes

35
Q

English name of Dipylidium caninum

A

cucumber-like tapeworm

36
Q

causative agents of tapeworms of carnivores

A

Echinococcus granulosus s.l. Echinococcus multilocularis Dipylidium caninum

37
Q

description of Tania type eggs

A

30-40μm, oval, inside 6-hooked oncosphere (L1)

38
Q

Life cycle of Tapes worms of carnivores

A

indirect with 1 intermediate host

39
Q

Infective stage of Tapes worms of carnivores

A

L2

40
Q

Cate tapeworm egg name

A

T. Taniaformis

41
Q

which is the dangerous dog tapeworm

A

Echinococcus granulosus

42
Q

Morphology of Echinococcus granulosus

A

3-6mm long
3 (2-6) segments
4 suckers
Rostellum

43
Q

identification of Echinococcus granulosus eggs

A

taenia type

44
Q

dangerous fox tape worm

A

Echinococcus multilocularis

45
Q

hosts of dangerous fox tape worm

A

red foxes
dogs
cats

46
Q

how many eggs / segment can be found in foxes & dogs

A

20.000 eggs

47
Q

How many eggs / cement can be found in cats

A

570

48
Q

Morphology of Echinococcus multilocularis

A

2-4 mm
5 segments

49
Q

Epidemiology of Echinococcus multilocularis

A

egg survives 2-3 months in summer
8 months in cooler season

50
Q

Hosts of Dipylidium caninum

A

dog, cat, red foxes and rarely humans

51
Q

Morphology of Dipylidium caninum

A
  • 20-80cm
  • 2 sets of reproductive organs (bilateral genital pores)
52
Q

how much eggs can be found in gravid segments

A

200-300micrometer sized cocoons of 3-30 eggs

53
Q

life cycle of Dipylidium caninum

A

indirect

54
Q

intermediate hosts of Dipylidium caninum

A

fleas

55
Q

infection of Dipylidium caninum

A

with infected intermediate hosts

56
Q

can taenia type and echinococcus eggs be differentiated?

A

no

57
Q

Which taenia type egg can be found in sheperd dogs

A

T. multiceps

58
Q

Which taenia type egg can be found in butcher dogs

A

T. hydatigena, E. granulosus

59
Q

Which taenia type egg can be found in hunting dogs

A

T. pisiformis

60
Q

Personal protection taking in case of necropsy of animal infected with Echinococcus

A

opening of gut under water

61
Q

efficacy of treatment against Echinococcus

A

100% against adults and immature forms

62
Q

Treatment of Echinococcus

A

Praziquantel
Epsiprantel

63
Q

Tapeworm disease of horses and donkeys causative agent

A

Anoplocephala perfoliata (most common)
Anoplocephala magna
Anoplocephala mamillana

64
Q

Morphology of Anoplocephalosis causative agent

A

Scolex without rostellum
proglottids wider than long

65
Q

Location of Anoplocephalosis causative agent

A

specimens of A. perfoliata tend to congregate at the ileocaecal junction,

66
Q

Life cycle of Anoplocephalosis causative agent

A
  • indirect
  • Cysticercoid (L2) develop in moss mites (Oribatidae) within 2-4 months.
67
Q

Infection of Anoplocephalosis causative agent

A

per os with mites having cysticercoid

68
Q

Clinical signs of Anoplocephalosis

A

most cases none

69
Q

detection of eggs of Anoplocephalosis

A

65-80μm
thick-shelled
rounded to quadrangular shape
inside an oncosphere
surrounded by a pyriform apparatus

70
Q

Host & intermediate hosts of Davainea proglottina

A
  • chicken, turkey, pigeon
  • snails, slugs
71
Q

Host & intermediate hosts of Amoebotaenia cuneata

A
  • chicken
  • earthworms
72
Q

Host & intermediate hosts of Raillietina cesticillus

A
  • chicken, turkey, phasan
  • beetles, flies
73
Q

Host & intermediate hosts of Raillietina echinobothrida

A
  • chicken,turkey
  • ants
74
Q

Host & intermediate hosts of Raillietina tetragona

A
  • chicken
  • ants, flies
75
Q

Host & intermediate hosts of Echinolepis carioca

A
  • chicken,turkey
  • dungbeetles
76
Q

Adult names of Human cestodoses

A
  • Diphyllobothrium latum,
  • Dipylidium caninum,
  • Hymenolepis nana,
  • H. diminuta
77
Q

Taenia affecting humans

A

T. saginata (beef tapeworm)
T. Solium (pork tapeworm)

78
Q
A

Parasitology FINAL (4 decks)

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