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2. Parasitology > Parasites Of Dogs And Cats In The Skin, Urinary System And Musculature > Flashcards

Parasites Of Dogs And Cats In The Skin, Urinary System And Musculature Flashcards

1
Q

What are the parasites of the skin, urinary system and musculature?

A

Dracunculus insignis
Pearsonema (Capillaria) species
Diocytoohyma renale
Trichinella spiralis

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2
Q

Host and location of Dracunculus insignis

A

Dogs, cats, and raccoons
Migrate to the skin of the legs

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3
Q

Infective stage of Dracunculus insignis

A

L3 larva inside the intermediate host (Cyclops genus)

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4
Q

Characteristics of Dracunculus insignis

A

Adults:
Females- 120 cm
Males- 4 cm

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5
Q

Why are the intermediate hosts of Dracunculus insignis?

A

Copepods (cyclops genus)
Female has 2 large sacs

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6
Q

Pathogenicity of Dracunculus insignis

A

Rare in dogs and cats
Fluid- secreting (weeping) sores seen on skin caused by adult female worms

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7
Q

Diagnosis of Dracunculus insignis

A

Direct smear of fluid aspirated from weeping sores

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8
Q

What is the treatment of Dracunculus insignis?

A

Surgical removal of female worm from the lesion

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9
Q

Dracunculus medinensis is found in humans known as_________~~

A

Guinea worm

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10
Q

What are the hosts of Pearsonema (Capillaria) pelican and Pearsonema (Capillaria) feliscati?

A

Dogs, cats, foxes, wolves
P. Plica- mostly in dogs
P. Feliscati- mostly in cats

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11
Q

Description of P. Plica and P. Feliscati

A

Thin
Posterior slightly thicker than anterior
Stichosome esophagus (made of stichocyte cells)
Eggs: double-plugged

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12
Q

Where are P. Plica and P. Feliscati located and the prepatent period ?

A

Urinary bladder
2 months

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13
Q

What is the intermediate host of P. Plica and P. Feliscati?

A

Earthworm

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14
Q

What is the infective stage of P. Plica and P. Feliscati?

A

L1 larva inside intermediate host
Definitive host infective by ingesting earthworm containing L1 larva

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15
Q

Pathogenicity and diagnosis of P. Plica and P. Feliscati

A

Heavy infection causing cystitis
Examination of urine sediment and finding of double-plugged eggs

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16
Q

How do you treat P. Plica and P. Feliscati?

A

Fenbendazole
Invermectin

17
Q

Hosts of Dioctyphyma renale

A

Dogs, foxes, wolves, cats (rare) , minks (primary host)
largest nematode of vet importance

18
Q

Infective stage of pathogenicity of Dioctyphyma renale

A

L1 larvae inside paratenic host (frog, fish)
Destruction of kidney parenchyma

19
Q

Diagnosis of Dioctyphyma renale

A

Examination of urine sediment, radiograph or abdominal ultrasound (adult worms)

20
Q

Eggs of Dioctyphyma renale

A

Rough
Double- plugged
Two cells
80 micrometers long

21
Q

How is Dioctyphyma renale treated?

A

Surgical removal of adult worms and affected kidney

22
Q

What is the host of Trichnella spiralis

A

Domestic and wild animals, man (public health concern)

23
Q

Identification of Trichnella spiralis

A

Stichosome esophagus
Double-plugged eggs

24
Q

Pathogenicity of Trichnella spiralis

A

Encysts within skeletal muscle of host such as pigs, bear, rodents (humans infected by eating uncooked pork or bear)

25
Q

Diagnosis of Trichnella spiralis

A

Muscle biopsy for L1

2. Parasitology (11 decks)

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