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Parasitology quiz 3 > strongyloidea > Flashcards

strongyloidea Flashcards

1
Q

strongyloidea taxonomy

A 
kingdom- Animalia
phylum-Nematoda -bursate
class- secernentea 
order- strongylida 
family- strongyloidea
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2
Q

strongyloidea affect who

A
  • horses: small and large strongyles
  • Ruminants and primates
  • Pigs 9kindyes)
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3
Q

strongyloidea id

A
  • big mouths and bursa

- front end w/ crowns (corona radiata)

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4
Q

strongyloidea organ/ cell effected

A

cecum and colon

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5
Q

large strongyles taxonomy

A 
kingdom- Animalia
phylum-Nematoda-bursate 
class- secernentea 
order- strongylida 
family- strongyloidea
subgroup- large strongyles
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6
Q

large strongyles life cycle

A
  • egg -> L1 -> L2-> L3 (infective)

- spend 6 months to 1 year just crawling around before multiplication

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7
Q

large strongyles in resistantce

A

3rd stage resistant to desiccation and temp extreems

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8
Q

large strongyles infectious when

A

only larvae infectious not eggs

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9
Q

strongylus vulgaris taxonomy

A 
kingdom- Animalia
phylum-Nematoda -bursate
class- secernentea 
order- strongylida 
family- strongyloidea
subgroup- large strongyles
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10
Q

strongylus vulgaris host

A

horse

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11
Q

strongylus vulgaris lifecycle

A

Enters wall of cecum & ventral colon & penetrates to submucosa -> Molts to L4-> Penetrates adjacent small arterioles -> Migrates to anterior mesenteric artery -> Finally enters lumen & carried by blood to arteries in intestinal wall -> Enter surrounding tissue & form nodule where they molt into adult -> Enter lumen of cecum & colon

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12
Q

strongylus vulgaris dx

A
  • L4 occludes arteries and causes inflame thrombosis and destroys intestinal wall
  • emboli can -> posterior paralysis kidney infection intestinal infarction, impacted intestinal segment
  • verminous enteritis
  • aneruisms
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13
Q

strongylus vulgaris recovery

A

lesions heal well and fast once worms are gone

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14
Q

strongylus edentates taxonomy

A 
kingdom- Animalia
phylum-Nematoda -bursate
class- secernentea 
order- strongylida 
family- strongyloidea
subgroup- large strongyles
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15
Q

strongylus edentates host

A

horses

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16
Q

strongylus edentates id

A

no teeth

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17
Q

storngylus edentates life cycle

A
  • L3 burrow into wall of lg intestine & reach liver via portal veins
  • Molt to L4 in liver

  • L4 migrates through liver & pancreas
  • Leave liver & migrate through peritoneum back to large intestine
  • Molt & penetrate intestinal lumen
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18
Q

strongylus edentates dx

A
  • liver damage bc migrations
  • possible peritonitis
  • large edematous lesions in bowel wall
  • lungs
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19
Q

large strongyles includes what

A
  • strongylus edentates

- strongylus vulgaris

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20
Q

small strongyles taxonomy

A 
kingdom- Animalia
phylum-Nematoda -bursate
class- secernentea 
order- strongylida 
family- strongyloidea
subgroup- small strongyles
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21
Q

small strongyles include

A
  • sephanurus dentatus

- syngamus trachea (“married together”)

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22
Q

small strongyles host

A
  • horses
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23
Q

small strongyles lifecycle

A
  • non-mingartory in mucosa
  • develop nodules in mucosa
  • may overwinter in L4 in submucosal nodules
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24
Q

small strongyles organ effected

A

adults in cecum and colon

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25
Q

small strongyles dx

A
  • often large #s in relatively healthy animals

- emergence large # larvae from bowel wall in late winter/ early spring can -> d+

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26
Q

sephanurus dentatus taxonomy

A 
kingdom- Animalia
phylum-Nematoda -bursate
class- secernentea 
order- strongylida 
family- strongyloidea
subgroup- small strongyles
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27
Q

sephanurus dentatus host

A
  • swine

- can have earthworm as paratenic host

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28
Q

sephanurus dentatus lifecycle

A
  • larvae migrate in liver, kidney, peritoenum, muscles for 4-9 months
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29
Q

sephanurus dentatus transmission

A
  • strongylid eggs passed in urine
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30
Q

sephanurus dentatus organ effected

A

kidney live in peri-renal fat

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31
Q

sephanurus dentatus dx

A

minimal dx

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32
Q

sephanurus dentates location

A

SE US

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33
Q

syngamus trachea means what

A

married together

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34
Q

syngamus trachea taxonomy

A 
kingdom- Animalia
phylum-Nematoda -bursate
class- secernentea 
order- strongylida 
family- strongyloidea
subgroup- small strongyles
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35
Q

syngamus trachea host

A

birds

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36
Q

syngamus trachea affects what organ

A

trachea

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37
Q

ancilostomatoidea alt name

A

hookworms

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38
Q

ancilostomatoidea taxonomy

A

kingdom- Animalia
phylum-Nematoda -bursate
order-strongylida
family- ancilostomatoidea

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39
Q

strongylida includes what

A
  • large strongyles
  • small strongyles
  • ancilostaomatoidea
  • metastrongyloidea
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40
Q

ancilostaomatoidea id

A
  • stood body
  • head flexed dorsally (seem like they’re looking backward)
  • large out w/ teeth
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41
Q

ancilostaomatoidea organ effected

A

small intestine

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42
Q

ancylostoma caninum taxonomy

A

kingdom- Animalia
phylum-Nematoda -bursate
order-strongylida
family- ancilostomatoidea

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43
Q

ancylostoma caninum host

A
  • final: dogs

- paratenic: rats and other rodents (larva arrest)

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44
Q

ancylostoma caninum life cycle

A
  • 3rd stage larvae (infectious) in soil
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45
Q

ancylostoma caninum transmission

A

Eggs passed in feces

  • Larvae penetrate skin then C up and swallow or swallowed directly & go to mucosa of small intestine
  • Trans- mammary transmission to pups from arrested larvae
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46
Q

ancylostoma caninum organ effected

A
  • small intestine
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47
Q

ancylostoma caninum dx

A
  • peracute
  • acute
  • chronic
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48
Q

ancylostoma caninum peracute dx

A

transmit infected pups, anemia, deteriorate rapidly

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49
Q

ancylostoma caninum acute

A

older dogs, anemia, tarry tool, many eggs

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50
Q

ancylostoma caninum chornic

A

no symptoms w/ eggs in feces

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51
Q

ancylostoma caninum location

A
  • warmer climates
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52
Q

ancylostoma caninum humans

A
  • large bowel dx (colitis) in humans w/ single worm present in intestines
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53
Q

ancylastoma tubaeforme taxonomy

A

kingdom- Animalia
phylum-Nematoda -bursate
order-strongylida
family- ancilostomatoidea

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54
Q

ancylastoma tubaeforme host

A
  • cats final

- mammal paratenic

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55
Q

ancylastoma tubaeforme transmission

A
  • skin penetration
  • oral ingestion
  • ingestion of paratenic
  • no trans mammary
56
Q

ancylastoma tubaeforme location

A
  • world wide where cats present
57
Q

ancylostoma braziliensis taxonomy

A

kingdom- Animalia
phylum-Nematoda -bursate
order-strongylida
family- ancilostomatoidea

58
Q

ancylostoma braziliensis host

A
  • cats

- dogs

59
Q

ancylostoma braziliensis dx

A
  • larva migrate cutaneously (puritic tracks)
60
Q

ancylostoma braziliensis geography

A
  • tropics
  • texas
  • caribbean
  • coastal SA
  • Australia
  • SE asia
61
Q

uncinaria stenocephala taxonomy

A

kingdom- Animalia
phylum-Nematoda -bursate
order-strongylida
family- ancilostomatoidea

62
Q

uncinaria stenocephala id

A

suck less blood

63
Q

uncinaria stenocephala dx

A

least pathogenic

64
Q

uncinaria stenocephala geography

A

cooler climate

65
Q

bunostomum phlebotomum taxnomy

A

kingdom- Animalia
phylum-Nematoda -bursate
order-strongylida
family- ancilostomatoidea

66
Q

bunostomum phlebotomum host

67
Q

bunostomum phlebotomum transmission

A
  • skin penetration

- no transmission

68
Q

bunostomum phlebotomum dx

A

serious dx in young animals

69
Q

globocephalus taxnomy

A

kingdom- Animalia
phylum-Nematoda -bursate
order-strongylida
family- ancilostomatoidea

70
Q

globocephalus host

71
Q

globocephalus tranmission

A
  • skin

- trans mammary

72
Q

metastrongyloidea alt name

73
Q

metastrongyloidea taxonomy

A

kingdom- Animalia
phylum-Nematoda -bursate
order-strongylida
family- metastrongyloidea

74
Q

metastrongyloidea host

A
  • carnivore final
  • gastropods (snails) as intermediate
  • use paratenic
75
Q

metastrongyloidea id

A

eggs not like other worms, either larvated when passed or larvae passed in feces

76
Q

metastrongyloidea 3rd stage larvae

A
  • in slugs or snails mainly
77
Q

metastrongyloidea organ

A
  • lungs, bronchi, trachea as adults
78
Q

metastrongylus apri taxonomy

A

kingdom- Animalia
phylum-Nematoda -bursate
order-strongylida
family- metastrongyloidea

79
Q

metastrongylus apri host

A
  • pigs final

- earthworm intermediate

80
Q

metastrongylus apri lifecycle

A
  • Eggs eaten by earthworm -> Develop to L3->Can live there for up to 4 years ->Pigs eat earthworm -> Larva penetrate wall of intestine ->Lymphatics ->R heart-> Lungs
81
Q

metastrongylus apri transmission

A
  • eggs coughed up then swallowed

- when passed in feces has 1st stage larva

82
Q

metastrongylus apri organ effected

A
  • bronchi and bronchioles
83
Q

metastrongylus apri dx

A

very mild pneumonia and/ or bronchitis

84
Q

prostrongylus taxonomy

A

kingdom- Animalia
phylum-Nematoda -bursate
order-strongylida
family- metastrongyloidea

85
Q

prostrongylus host

86
Q

prostrongylus lifecycle

A

Eggs laid in lung -> Larva hatches -> C up & swallowed -> Passed as larva in feces -> Penetrate snail & develop to L3 -> Host eats snail while grazing -> Lymphatics ->R heart-> Lungs

87
Q

prostrongylus organ effected

A

small bronchi

88
Q

prostrongylus dx

89
Q

muellerius capillaris taxonomy

A

kingdom- Animalia
phylum-Nematoda -bursate
order-strongylida
family- metastrongyloidea

90
Q

muellerius capillaris host

A
  • sheep
  • goat
  • deer
91
Q

muellerius capillaris lifecycle

A

Eggs laid in lung -> Larva hatches -> C up & swallowed -> Passed as larva in feces -> Penetrate snail & develop to L3 -> Host eats snail while grazing -> Lymphatics ->R heart-> Lungs

92
Q

muellerius capillaris organ effected

A

lung parenchyma

93
Q

muellerius capillaris dx

A

minimal dx

94
Q

parelaphostrongylus tenuis taxonomy

A

kingdom- Animalia
phylum-Nematoda -bursate
order-strongylida
family- metastrongyloidea

95
Q

parelaphostrongylus tenuis host

A
  • final: white tailed deer

- sheep, goats, mule, deer, moose, caribou, elk, llama, antelope, cow, horse, ect.

96
Q

parelaphostrongylus tenuis lifecycle

A

Eggs laid in lung -> Larva hatches -> C up & swallowed -> Passed as larva in feces -> Penetrate snail & develop to L3 -> Host eats snail while grazing -> migrates through or along spinal cord ->brain

97
Q

parelaphostrongylus tenuis transmisison

A

deer cough up eggs that are ingested by snails then snail ingested by other animal

98
Q

parelaphostrongylus tenuis organ effected

99
Q

parelaphostrongylus tenuis dx

A
  • non pathogenic deer

- hind limb paralysis and circling dx in all other animals

100
Q

filaroides hirthi taxonomy

A

kingdom- Animalia
phylum-Nematoda -bursate
order-strongylida
family- metastrongyloidea

101
Q

filaroides hirthi host

A
  • dog: final

- no intermediate!

102
Q

filaroides hirthi lifecycle

A
  • direct life cycle w/ 1st stage larva in sputum or feces

- after ingestion, larva go to lungs via hepatic and portal or mesenteric lymph

103
Q

filaroides hirthi transmission

A
  • larva in feces of infected dog
104
Q

filaroides hirthi organ effected

A

deeply buried in lung parenchyma

105
Q

filaroides hirthi dx

A
  • light infection: non productive c+

- small granulomatous rxn to tumor like lesions in lung

106
Q

oslerus osleri taxonomy

A

kingdom- Animalia
phylum-Nematoda -bursate
order-strongylida
family- metastrongyloidea

107
Q

oslerus osleri host

A
  • dogs

- other canids

108
Q

oslerus osleri lifecycle

A
  • direct life cycle
109
Q

oslerus osleri organ effected

A
  • nodules in trachea and bronchi
110
Q

oslerus osleri dx

A
  • dry c+ worsened by exercise that can’t be elected by tracheal massage
111
Q

crenosoma vulpis taxonomy

A

kingdom- Animalia
phylum-Nematoda -bursate
order-strongylida
family- metastrongyloidea

112
Q

crenosoma vulpis host

A
  • dogs

- snail= intermediate

113
Q

crenosoma vulpis id

A
  • crenated cuticle thrown into folds
114
Q

crenosoma vulpis lifecycle

A
  • eggs develop and hatch in resp tract

- larvae coughed up then swallowed and passed in feces

115
Q

crenosoma vulpis transmission

A

ingestion of snail

116
Q

crenosoma vulpis dx

A

dry non productive cough elicited by tracheal massage

117
Q

crenosoma vulpis geography

A

North America

118
Q

angiostrongylus vasorum alt name

A

French heartworm

119
Q

angiostrongylus vasorum taxonomy

A

kingdom- Animalia
phylum-Nematoda -bursate
order-strongylida
family- metastrongyloidea

120
Q

angiostrongylus vasorum host

A
  • dogs
  • snail = intermediate
  • frogs and rodents can be paratenic host
121
Q

angiostrongylus vasorum transmission

A

larva passed in feces

122
Q

angiostrongylus vasorum organ effected

A

pulmonary arteries

123
Q

angiostrongylus vasorum recovery

A
  • dogs maintain infection for life
124
Q

angiostrongylus vasorum dx

A
  • chronic infection progressive pulmonary dx, cardiac failure, depression, stunted growth, weight loss, exercise intolerance, cough, dyspnea
125
Q

angiostrongylus vasorum location

A
  • Southern Europe

- eastern Canada

126
Q

angiostrongylus cantonensis alt name

A

rat lungworm

127
Q

angiostrongylus cantonensis taxonomy

A

kingdom- Animalia
phylum-Nematoda -bursate
order-strongylida
family- metastrongyloidea

128
Q

angiostrongylus cantonensis host

A
  • dog and zoo animals

- ZOONOTIC

129
Q

angiostrongylus cantonensis dx

A
  • hind limb paresis

- ataxia

130
Q

aelurostrongylus abstrusus alt name

A

feline lungworm

131
Q

aelurostrongylus abstrusus taxonomy

A

kingdom- Animalia
phylum-Nematoda-bursate
order-strongylida
family- metastrongyloidea

132
Q

aelurostrongylus abstrusus host

A
  • cats
  • snail= intermediate
  • bird or rodent = paratenic
133
Q

aelurostrongylus abstrusus transmission

A

ingest paratenic host

134
Q

aelurostrongylus abstrusus organ effected

A

bronchioles and alveolar ducts

135
Q

aelurostrongylus abstrusus dx

A

bronchopneumonia

136
Q

aelurostrongulus abstrusus tx

137
Q

bursate nematodes

A

strongylida

  • ancylomstomatoidea
  • trichostrongyloidea
  • strongyloidea
  • metastrongyloidea

Parasitology quiz 3 (9 decks)

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