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Parasitology quiz 3 > Strongylida 1 > Flashcards

Strongylida 1 Flashcards

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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
trichostrongylus axei taxonomy
``` kingdom- Animalia phylum-Nematoda-bursate class- secernentea order- strongylida family- trichostronglyoidea genus- trichostrongylus ```
26
trichostrongylus axei host
- cattle, sheep, goat
27
trichostrongylus axei organ effected
abomasum
28
trichostrongylus colubriformis taxonomy
``` kingdom- Animalia phylum-Nematoda-bursate class- secernentea order- strongylida family- trichostronglyoidea genus- trichostrongylus ```
29
trichostrongylus colubriformis host
sheep and goats
30
trichostrongylus colubriformis organ effected
small intestine
31
ostertagia taxonomy
``` kingdom- Animalia phylum-Nematoda-bursate class- secernentea order- strongylida family- trichostronglyoidea ```
32
ostertagia host
cattle
33
ostertagia lifecycle
- larva can overwinter in pasure | - arrest as l4 in gastric glands
34
ostertagia organ effected
- abomasum | - larvae in gastric glands
35
ostertagia dx
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
ostertagia fun fact
- most important bovine parasite in the world
37
ostertagia abomasa wall appearance
moroccan leather appearance of abomasal wall
38
teladorsagia taxonomy
``` kingdom- Animalia phylum-Nematoda-bursate class- secernentea order- strongylida family- trichostronglyoidea ```
39
teladorsagia host
- sheep and goats
40
teladorsagia lifecycle
- larvae can overwinter on pasture | - arrest as L4 in gastric glands
41
teladorsagia organ effected
- abomasum | - larvae in gastric glands
42
teladorsagia
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
teladorsagia appearance of abomasal wall
- moroccan leather
44
haemonchus taxonomy
``` kingdom- Animalia phylum-Nematoda-bursate class- secernentea order- strongylida family- trichostronglyoidea ```
45
haemonchus host
- sheep | - cattle
46
haemonchus id
- little blade on tip of mouth that sticks out to drink blood
47
haemonchus organ effected
adults in abomasums
48
haemonchus dx
- 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
haemonchus contortus host
sheep
50
haemonchus placei host
cattle
51
cooperia taxonomy
``` kingdom- Animalia phylum-Nematoda-bursate class- secernentea order- strongylida family- trichostronglyoidea ```
52
cooperia organ effected
small intestines
53
cooperia tx
v difficult to kill w/ drugs -> dose limiting factor in drug manufacture
54
hyostrongylus taxonomy
``` kingdom- Animalia phylum-Nematoda-bursate class- secernentea order- strongylida family- trichostronglyoidea ```
55
hyostrongylus host
pigs
56
hyostrongylus organ effected
stomach
57
hyostrongylus dx
ulcerative gastritis
58
nematodirus taxonomy
``` kingdom- Animalia phylum-Nematoda-bursate class- secernentea order- strongylida family- trichostronglyoidea ```
59
nematodirus host
- sheep | - cattle
60
nematodirus id
- eggs are huge | - males have long spicule
61
nematodirus life cycle
- larva develop in egg not pasture
62
nematodirus organ effected
small intestine
63
nematodirus dx
- destruction of mucosal architecture | - d+
64
ollulanus tricuspis taxonomy
``` kingdom- Animalia phylum-Nematoda-bursate class- secernentea order- strongylida family- trichostronglyoidea ```
65
ollulanus tricuspis host
cat
66
ollulanus tricuspis id
v small
67
ollulanus tricuspis lifecycle
- internal auto infection | - 3rd stage larvae develop in stomach
68
ollulanus tricuspis transmission
passed from cat to cat in v+ when one cat eats the v+ of an infected one
69
ollulanus tricuspis organ
stomach
70
ollulanus tricuspids dx
chronic v+
71
dictyocaulus alt name
long worm
72
dictyocaulus taxonomy
``` kingdom- Animalia phylum-Nematoda-bursate class- secernentea order- strongylida family- trichostronglyoidea ```
73
dictyoculus life cycle
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
dictyloculus organ effected
- trachea and bronchi | - lungs
75
dictyloculus dx
Prepatent – Bronhcitis, possible death
 - Patent – Frothy white mucus in airways, pneumonia 
 - C, not eating, usually problem in calves - Disease often before patency
76
dictyloculus males
-males have reticulated spicule (net penis)
77
dictyocaulus viviparous host
cattle
78
dictyocaulus viviparous id
only larva in cattle feces
79
dictylocaulus viviparous lcoation
us, England, scandanavia
80
dictyocaulus filarial host
sheep
81
dictylocaulus filari taxnomy
``` kingdom- Animalia phylum-Nematoda-bursate class- secernentea order- strongylida family- trichostronglyoidea ```
82
dictylocaulus arnfieldi taxonomy
``` kingdom- Animalia phylum-Nematoda-bursate class- secernentea order- strongylida family- trichostronglyoidea ```
83
dictylocaulus arnfieldi host
horse
84
dictylocaulus location
india

Parasitology quiz 3 (9 decks)

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