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Parasites > Cestodes > Flashcards

Cestodes Flashcards

1
Q

definition of cestode

A

semented with 2 or 4 suckers without intestinal canal

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2
Q

is there different sexes

A

no sexual dimorphism in cestodes

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3
Q

types of cestodes

A

monieziosis
stilesiosis
thysanosomosis
anoplocephalosis
dipylidium caninum
diphylobothrium latum

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4
Q

tape worms of Ru cause

A

moniezia expansa
m. benedeni
thysaniezia
avitellina
stilesia

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5
Q

life cycle of Ru Tapeworms

A

indirect

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6
Q

intermediate host of Ru Tapeworms

A

box mite

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7
Q

eggs of Ru Tapeworms

A

cysticercoid

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8
Q

definite host of adult form of Ru Tapeworms

A

domestic and wild ru

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9
Q

location of adult form of Ru Tapeworms

A

small intestine

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10
Q

morphology of adult forms of Ru Tapeworms

A

white
4-5m
flat, flaccid

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11
Q

segments of adult forms of Ru Tapeworms

A

wider than they are long

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12
Q

genitals of adult forms of Ru Tapeworms

A

2 sets and a row of interproglottidal glands
genital openings on both rims of narrow proglottids

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13
Q

suckers of adult forms of Ru Tapeworms

A

on tip of strobila
unarmed scolex with 4 suckers

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14
Q

acute symptoms of adult forms of Ru Tapeworms

A

abdominal distension
diarrhoea
oedema
ataxia

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15
Q

chronic symptoms of adult forms of Ru Tapeworms

A

anaemia
emaciation
fleece shedding
digestive problems
weight loss
cachexia

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16
Q

symptomless for adult forms of Ru Tapeworms

A

wild ru and cattle

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17
Q

pathology of adult forms of Ru Tapeworms

A

haemorrhage and inflammation of small intestine

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18
Q

detection of adult forms of Ru Tapeworms

A

flotation

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19
Q

name of larval form of Ru Tapeworms

A

cysticercoid

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20
Q

intermediate host of larval form of Ru Tapeworms

A

soil mites

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21
Q

location of larval form of Ru Tapeworms

A

body cavity of arthropod

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22
Q

morphology of larval form of Ru Tapeworms

A

100um spherical larva
contains 1 scolex in outer envelope

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23
Q

detection of larval form of Ru Tapeworms

A

collection of mites

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24
Q

treatment of larval form of Ru Tapeworms

A

niclosamide
praziquantel
benzimidazole

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25
Q

control of larval form of Ru Tapeworms

A

preventative anthelminic treatment in spring

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26
Q

tapeworms of Eq

A

anoplocephala perfoliate
a. magna

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27
Q

definite hosts of tapeworms of Eq

A

domestic and wil equine

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28
Q

location of tapeworms of Eq

A

small intestine
ileocaecal regions

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29
Q

morphology of tapeworms of Eq

A

white
5-500mm

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30
Q

genitals of tapeworms of Eq

A

1 set
genital openings on same side of narrow proglottids
no interproglottidal glands

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31
Q

segment size of tapeworms of Eq

A

broader than long
1 genitals in each glottids

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32
Q

acute symptoms of of tapeworms of Eq

A

abdominal distension
diarrhoea
oedema
ataxia

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33
Q

chronic symptoms of tapeworms of Eq

A

anaemia
emaciation
weight loss
achexy

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34
Q

pathology of tapeworms of Eq

A

inflammation of small intestine
haemorrhage

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35
Q

detection of tapeworms of Eq

A

flotation

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36
Q

larval form of tapeworms of Eq

A

same as moniezia

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37
Q

flea or cucumber tapeworm

A

dipylidiuum caninum

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38
Q

host of adult form of flea or cucumber tapeworm

A

dogs

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39
Q

location of adult form of flea or cucumber tapeworm

A

small intestine

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40
Q

morphology of adult form of flea or cucumber tapeworm

A

white
100-500mm long
clearly segmented
flat
double pore
flaccid

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41
Q

segment size of adult form of flea or cucumber tapeworm

A

longer than broader
contain 2 sets of genitalia

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42
Q

genitals of adult form of flea or cucumber tapeworm

A

2 sets
genital openings on both sides

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43
Q

suckers of adult form of flea or cucumber tapeworm

A

on tip of strobila, armed scolex with 4 suckers and a hooker rostelllium

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44
Q

symptoms of adult form of flea or cucumber tapeworm

A

none usually

45
Q

pathology of adult form of flea or cucumber tapeworm

A

inflammation

46
Q

detection of adult form of flea or cucumber tapeworm

A

floatation

47
Q

larval form of flea or cucumber tapeworm

A

cystircercoid

48
Q

intermediate host of larval form of flea or cucumber tapeworm

A

body cavity of arthropod

49
Q

morphology of larval form of flea or cucumber tapeworm

A

100um sized spherical larva
1 scolex in outer envleope
no space

50
Q

broad/ fish tape worm

A

diphyllobotherium latum

51
Q

host of adult form of fish tapeworm

A

fish eating mammals

52
Q

location of adult form of fish tapeworm

A

small intestine

53
Q

morphology of adult form of fish tapeworm

A

white
1-5m ling
sharply segmented

54
Q

segments size of adult form of fish tapeworm

A

prolottids are broader than long
1 set of genitalis

55
Q

genitals of adult form of fish tapeworm

A

1 set
openings on middle line of proglottids

56
Q

symptoms of adult form of fish tapeworm

A

abdominal pain
diarrhoea
b12 deficiency

57
Q

pathology of adult form of fish tapeworm

A

n/a

58
Q

detection of adult form of fish tapeworm

A

sedimentation
eggs contain blastomeres

59
Q

larval forms of fish tapeworm

A

ciliated oncosphere (coracidium) in water
procercoid and pleurocercoid in intermediate hosts

60
Q

intermediate host of larval forms of fish tapeworm

A

crustaceans then fresh water fish

61
Q

location of larval forms of fish tapeworm

A

body cavity of hosts

62
Q

morphology of larval forms of fish tapeworm

A

cylindrical in arthropod
larger in fish

63
Q

detection of larval forms of fish tapeworm

A

inspection in processing plant

64
Q

function of scolex

A

anchor worm into wall of intestine

65
Q

proglottids

A

segmented strobila produced by scolex

66
Q

hooks

A

armed

67
Q

rostellum

A

unarmed

68
Q

sexual organs

A

each proglottid grows at least 1 set of germaphroditic sexual organs which are continuously enlarging

69
Q

how does fertilisation take place

A

route of autocopulation

70
Q

Taenia of carnivores

A

t. pisiformis
t. hydatigena
t. ovis
t. cervi
t. crassiceps
t. taeniaeformis

71
Q

definite host of t. taeniaeformis

A

cats

72
Q

morphology of Taenia of carnivores

A

0.2-5m
sharply segmented
white, flat, flaccid
armed scolex with 4 suckers and hooked rostellum

73
Q

proglottids of Taenia of carnivores

A

longer than broad

74
Q

genitals of Taenia of carnivores

A

1 set
openings on 1 side of proglottids but irregularly arranged

75
Q

symptoms of Taenia of carnivores

A

NA

76
Q

larval forms of Taenia of carnivores

A

cysticercus

77
Q

location of c. pisiformis

A

liver and mesentry of rabbits and hares

78
Q

location of c.tenuicollis

A

liver and mesentery of ru and su

79
Q

location of c.ovis

A

skeletal muscle of sheep

80
Q

location of c. cervi

A

skeletal muscle of deer

81
Q

location of c.longicollis

A

body cavity of rodetns

82
Q

location of c. fasciolaris

A

liver of rodent

83
Q

morphology of larval forms of taenia or carnivores

A

1-5cm
1 protoscolex surrounded by capsule
space comtaining liquid

84
Q

taenia of humans

A

t. solium
t. saginota

85
Q

mophology of taenia of humans

A

1-5m
sharply segmented
fla, flaccid
armed scolex with 4 suckers

86
Q

which taenia of humans is unarmed

A

t. saginata

87
Q

larval forms of taenia of humans

A

cystercerus cellulose (t. solium)
cystercerus bovis (t. sagintata)

88
Q

location of c. cellulose

A

skeletal muscle of su or brain of humans

89
Q

location of c. bovis

A

skeletal muscles of bo

90
Q

morphology of larval of taenia of humans

A

1-2cm
1 protoscolex
space containing liquid

91
Q

taenia of canines

A

t. multiceps
t. serialis

92
Q

morphology of taenia of canines

A

0.4-1m
sharply segmented
flat, flaccid
armed scolex with 4 suckers and a hooked rostellum

93
Q

genitals of taenia of canines

A

1 set of genitals
opening irregularly on 1 side of proglottids

94
Q

larval forms of taenia of canines

A

coenurus cerebralis
coenurus serialis

95
Q

location of larval forms of taenia of canines

A

c. cerebralis in cns of small ru, su, eq, hu
c. serialis in connective tissue of hare

96
Q

morphology of larval form of taenia of canines

A

spherical
flat
containing hundreds of scolices

97
Q

adult form of ecinococcus

A

e. granulosus
e. multilocularis

98
Q

host of adult form of ecinococcus

A

canines

99
Q

location of adult form of ecinococcus

A

small intestinemorpho

100
Q

morphology of adult form of ecinococcus

A

3-6mm
white, flat, flaccid
armed scolex with 4 suckers and a hooked rostellum

101
Q

segments of e. granulosa

A

3 segments
proglottids longer than broad

102
Q

segments of e. multilocularis

A

5 segments
proglottids longer than broad

103
Q

genitals of adult form of ecinococcus

A

1 set of genitals
openings only on 1 side

104
Q

larval form of ecinococcus

A

e. hydatidosus
e. alveolaris

105
Q

intermediate host of larval form of ecinococcus

A

prey

106
Q

location of larval form of ecinococcus

A

parenchyma and bone marrow (granulosa)
liver (multiocularis)

107
Q

Morphology of e. granulosa

A

separate cysts with non dividing cavity and a 3 layered wall

108
Q

morphology of e. multilocularis

A

net of caverns in a divided cavity

Parasites (9 decks)

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