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VPAR 132 (3rd LE) > 1. Order Rhabditida (Threadworms) > Flashcards

1. Order Rhabditida (Threadworms) Flashcards

1
Q

Common name of Strongyloides species

A

threadworms

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2
Q

Free-living
Opportunist
Facultative parasite

A

order Rhabditida (Threadworms)

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3
Q

Species in Stongyloididae

A

S ( scp wrp arf)

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4
Q

Strongyloides of reptiles

A

S (arf)

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5
Q

Genera of reptiles

A

[ RES ]

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6
Q

Cause granulomas

A

halicephalobus (micronema)

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7
Q

causes:
• dermatitis
• otitis externa

A

Rhabditis

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8
Q

only one of reptile threadworms genera that is of veterinary importance

A

Strongyloides

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9
Q

Which strongyloides may also hatch in large intestine?

A

S. stercoralis

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10
Q

esophagus of free-living Strongyloides

A

rhabditiform

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11
Q

esophagus of parasitic Strongyloides

inhabit the small intestines of their hosts that include mammals and birds

A

filariform

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12
Q

Two (2) possible development of life cycle of Strongyloides spp.

A
  1. Homogenic
  2. Heterogenic
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13
Q

What life cycle?

● occurs in unfavorable external conditions
● in presence of young animals
● exclusively parasitic form (filariform)
● adults only
● parthenogenetic females

A

Homogonic

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14
Q

What life cycle?

● in favorable external conditions
● in older animals
● involves a parasitic phase and free-living phase

A

Heterogonic

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15
Q

common route of Strongyloides in
• calves
• carnivores

A

Skin penetration (filariform larva)

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16
Q

What kind of infection occurs in
• piglet
• foal
• lamb

A

Transmammary infection

17
Q

Which strongyloides develops L1 so fast to become L3 penetrating
1) rectum
2) peri-anal skin

A

Strongyloides stercoralis

18
Q

Strongyloides autoinfection

A

S. stercoralis

19
Q

Migration of strongyloides larva

A

Lungs

20
Q

Autoinfective larva cause

A

pneumonia

21
Q

Reptile threadworm common in lungs of
• frogs
• toads

low pathogenicity

A

Rhabdias

22
Q

Reptile threadworm causing ULCERATION in the intestine

A

Strongyloides

VPAR 132 (3rd LE) (18 decks)

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