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Parasitology quiz 3 > Strongylida 1 > Flashcards

Strongylida 1 Flashcards

1
Q

secernentea taxonomy

A

kingdom- Animalia
phylum-Nematoda
class- secernentea

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2
Q

secernentea (phasmids) ->

A

bursate nematodes (thread worms)

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3
Q

secernentea body

A
  • pseudoceolomates (tubes within tubes)

- mouth and anus

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4
Q

secernentea body plan

A

based on high internal pressure (if you stick a needle in or soak in water it will pop)

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5
Q

secernentea lifecycle

A

Develop from eggs

  • Both male & female sexes
  • Egg -> L1 -> L2 -> L3 -> L4 -> Adult
  • L1 or L3 hatches depending on species
  • Molt b/w each stage!
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6
Q

secernentea id

A

Bursa – Male repro organ on posterior end for grabbing females
- Spicules – Male repro organ for copulation, male sticks it into females

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7
Q

secernentea transmission

A
  • 3rd stage larva is infective stage

- hosts get 4th stage larva in them which develop into adult

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8
Q

secernentea diagnosis

A 
patency = point at which dx can be diagnoses
ppp= prepatent period
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9
Q

strongylida taxonomy

A

kingdom- Animalia
phylum-Nematoda
class- secernentea
order- strongylida

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10
Q

trichostronglyoidea taxonomy

A 
kingdom- Animalia
phylum-Nematoda- bursate
class- secernentea
order- strongylida
family- trichostronglyoidea
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11
Q

trichostronglyoidea host

A
  • rumiants

- no intermediate hosts

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12
Q

trichostronglyoidea id

A
  • small buccal cavity
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13
Q

trichostronglyoidea lifecycle

A

direct

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14
Q

trichostrongyoidea transmission

A

larvae hatch and crawl up grass then get eaten by ruminants

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15
Q

trichostrongyoidea organ effected

A

gi tract

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16
Q

trichostrongyoidea dx

A
  • extreem d+
  • dehydration
  • bottle jaw
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17
Q

trichostrongyoidea diagnosis

A

find egg or larva in feces

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18
Q

trichostrongylus taxonomy

A 
kingdom- Animalia
phylum-Nematoda-bursate
class- secernentea
order- strongylida
family- trichostronglyoidea
genus- trichostrongylus
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19
Q

trichostrongylus host

A

ruminants

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20
Q

trichostrongylus id

A

v small

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21
Q

trichostrongylus life cycle

A
  • larva resistant to freezing and drying
  • hypobiosis
  • arrested development in abomasa mucosa!
  • 3rd stage larva enter gut mucosa after being invested
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22
Q

trichostrongylus organ effected

A

abomasum or duodenum

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23
Q

trichostrongylus dx

A

watery dark green d+ that predisposes to fly strike

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24
Q

trichostrongylus location

A

important in new Zealand

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25
Q

trichostrongylus axei taxonomy

A 
kingdom- Animalia
phylum-Nematoda-bursate
class- secernentea
order- strongylida
family- trichostronglyoidea
genus- trichostrongylus
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26
Q

trichostrongylus axei host

A
  • cattle, sheep, goat
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27
Q

trichostrongylus axei organ effected

A

abomasum

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28
Q

trichostrongylus colubriformis taxonomy

A 
kingdom- Animalia
phylum-Nematoda-bursate
class- secernentea
order- strongylida
family- trichostronglyoidea
genus- trichostrongylus
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29
Q

trichostrongylus colubriformis host

A

sheep and goats

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30
Q

trichostrongylus colubriformis organ effected

A

small intestine

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31
Q

ostertagia taxonomy

A 
kingdom- Animalia
phylum-Nematoda-bursate
class- secernentea
order- strongylida
family- trichostronglyoidea
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32
Q

ostertagia host

A

cattle

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33
Q

ostertagia lifecycle

A
  • larva can overwinter in pasure

- arrest as l4 in gastric glands

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34
Q

ostertagia organ effected

A
  • abomasum

- larvae in gastric glands

35
Q

ostertagia dx

A

Type I Disease (No Hypobiosis) – Late summer/fall, young animals during 1st grazing season, d/t destruction of gastric mucosa
- Type II Disease (w/ Hypobiosis) – Older animals late winter/ early spring, larvae collected over time and emerge all at once causing massive disease out of season d/t destruction of gastric mucosa

36
Q

ostertagia fun fact

A
  • most important bovine parasite in the world
37
Q

ostertagia abomasa wall appearance

A

moroccan leather appearance of abomasal wall

38
Q

teladorsagia taxonomy

A 
kingdom- Animalia
phylum-Nematoda-bursate
class- secernentea
order- strongylida
family- trichostronglyoidea
39
Q

teladorsagia host

A
  • sheep and goats
40
Q

teladorsagia lifecycle

A
  • larvae can overwinter on pasture

- arrest as L4 in gastric glands

41
Q

teladorsagia organ effected

A
  • abomasum

- larvae in gastric glands

42
Q

teladorsagia

A

Type I Disease (No Hypobiosis) – Late summer/fall, young animals during 1st grazing season, d/t destruction of gastric mucosa
- Type II Disease (w/ Hypobiosis) – Older animals late winter/ early spring, larvae collected over time and emerge all at once causing massive disease out of season d/t destruction of gastric mucosa

43
Q

teladorsagia appearance of abomasal wall

A
  • moroccan leather
44
Q

haemonchus taxonomy

A 
kingdom- Animalia
phylum-Nematoda-bursate
class- secernentea
order- strongylida
family- trichostronglyoidea
45
Q

haemonchus host

A
  • sheep

- cattle

46
Q

haemonchus id

A
  • little blade on tip of mouth that sticks out to drink blood
47
Q

haemonchus organ effected

A

adults in abomasums

48
Q

haemonchus dx

A
  • death by severe anemia (can lose 1/10 to 1/5 bld volume per day)
  • lose serum protein
  • no d+
  • hyperacute
  • die of anemia before patency
  • acute
    chronic
49
Q

haemonchus contortus host

50
Q

haemonchus placei host

51
Q

cooperia taxonomy

A 
kingdom- Animalia
phylum-Nematoda-bursate
class- secernentea
order- strongylida
family- trichostronglyoidea
52
Q

cooperia organ effected

A

small intestines

53
Q

cooperia tx

A

v difficult to kill w/ drugs -> dose limiting factor in drug manufacture

54
Q

hyostrongylus taxonomy

A 
kingdom- Animalia
phylum-Nematoda-bursate
class- secernentea
order- strongylida
family- trichostronglyoidea
55
Q

hyostrongylus host

56
Q

hyostrongylus organ effected

57
Q

hyostrongylus dx

A

ulcerative gastritis

58
Q

nematodirus taxonomy

A 
kingdom- Animalia
phylum-Nematoda-bursate
class- secernentea
order- strongylida
family- trichostronglyoidea
59
Q

nematodirus host

A
  • sheep

- cattle

60
Q

nematodirus id

A
  • eggs are huge

- males have long spicule

61
Q

nematodirus life cycle

A
  • larva develop in egg not pasture
62
Q

nematodirus organ effected

A

small intestine

63
Q

nematodirus dx

A
  • destruction of mucosal architecture

- d+

64
Q

ollulanus tricuspis taxonomy

A 
kingdom- Animalia
phylum-Nematoda-bursate
class- secernentea
order- strongylida
family- trichostronglyoidea
65
Q

ollulanus tricuspis host

66
Q

ollulanus tricuspis id

67
Q

ollulanus tricuspis lifecycle

A
  • internal auto infection

- 3rd stage larvae develop in stomach

68
Q

ollulanus tricuspis transmission

A

passed from cat to cat in v+ when one cat eats the v+ of an infected one

69
Q

ollulanus tricuspis organ

70
Q

ollulanus tricuspids dx

A

chronic v+

71
Q

dictyocaulus alt name

72
Q

dictyocaulus taxonomy

A 
kingdom- Animalia
phylum-Nematoda-bursate
class- secernentea
order- strongylida
family- trichostronglyoidea
73
Q

dictyoculus life cycle

A

Female lays egg -> Hatch -> Go up resp tree ->Swallowed -> Passed in feces

  • Larvae develop to infective stage w/o feeding
  • 3rd stage migrates to mesenteric LNs ->Molts to 4th -> Migrates to lungs
74
Q

dictyloculus organ effected

A
  • trachea and bronchi

- lungs

75
Q

dictyloculus dx

A

Prepatent – Bronhcitis, possible death


  • Patent – Frothy white mucus in airways, pneumonia 

  • C, not eating, usually problem in calves
  • Disease often before patency
76
Q

dictyloculus males

A

-males have reticulated spicule (net penis)

77
Q

dictyocaulus viviparous host

78
Q

dictyocaulus viviparous id

A

only larva in cattle feces

79
Q

dictylocaulus viviparous lcoation

A

us, England, scandanavia

80
Q

dictyocaulus filarial host

81
Q

dictylocaulus filari taxnomy

A 
kingdom- Animalia
phylum-Nematoda-bursate
class- secernentea
order- strongylida
family- trichostronglyoidea
82
Q

dictylocaulus arnfieldi taxonomy

A 
kingdom- Animalia
phylum-Nematoda-bursate
class- secernentea
order- strongylida
family- trichostronglyoidea
83
Q

dictylocaulus arnfieldi host

84
Q

dictylocaulus location

Parasitology quiz 3 (9 decks)

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