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Parasitology > Midterm 3 Parasitlogy > Flashcards

Midterm 3 Parasitlogy Flashcards

1
Q

Liver fluke

A

Fasciola hepatica

Fasciola gigantica

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2
Q

Liver fluke, intermediate host

A

Galba truncatula (Pulmonate freshwater snail)

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3
Q

Rumen fluke

A

Calicophoron daubneyi
Paramphistomum cervi
Paramphistomum ichikawai

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4
Q

Rumen fluke, intermediate host

A 
Galba truncatula (Calicophoron daubneyi)
Red blooded pulmonate freshwater snail (Parahistomum cervi et. ichikawai)
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5
Q

Lancet fluke

A

Dicrocoelium dendriticum

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6
Q

Lancet fluke, intermediate host

A

Landsnail

Ants (Formica genus)

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7
Q

Final host of the common liver fluke

A

Most: Sheep, goat, rabbit, mouse and rat
Medium: Cattle, pig and humans
Least: Horse, cat and dog

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8
Q

Life-cycle of F. hepatica

A

Egg –> Miracidium (penetrate the snail) –> Sporocyst –> Radia 1 –> Radia 2 –> Cercariae (when raining it leaves the snail) –> Metacercariae (infective stage!) (ingested by Ru) –> Juvenile fluke –> Adult fluke
Liver –> parenchyma –> biliary duct
Feed on blood
Prepatent period: 6-12 weeks

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9
Q

Final host of Calicophoron

A

Cattle

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10
Q

Final host of Paramphistomum cervi

A

Sheep, goat and wild ruminants

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11
Q

Final host of Paramphistomum ichikawai

A

Wild ruminants

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12
Q

Prepatent period of rumen flukes

A

3-4 months

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13
Q

Final host of the Lancet fluke

A

Sheep, goat, cattle, wild Ru, rabbit, hare (pig, horse, human)

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14
Q

Lancet fluke egg

A

Dark red-ish brown with miracidium, detection by flotation, it is the smallest

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15
Q

Life-cycle of the Lancet fluke

A

Egg (Miracidium) –> Eaten by a snail –> Sporocyst 1 –> sporocyst 2 –> Cercaria (snail will sneeze them out in a slime ball –> eaten by an ant) –> metacercaria –> Juvenile fluke –> Adult fluke
The juvenile fluke reach the liver through the ductus choledochus (no paranchymal migration, thus no damage)
Get nutrients via ABSORPTION!

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16
Q

Blood fluke

A

Schistosoma mansoni
Schistosoma haematomium
Schistosoma japanicum
Schistosoma turbestanicum

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17
Q

Blood fluke location

A

In blood vessels (sexual dimorphism)

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18
Q

Life-cycle of the blood fluke

A

Egg (miracidium) –> snail –> sporocyst 1 –> sporocyst 2 –> Furocercaria (infective stage!) –> final host
Per cutan or per os

19
Q

Fish tapeworm

A

Diphyllobothrium latum

20
Q

Life-cycle of fish tapeworm

A

Egg –> water –> coracidium –> crustacean –> procercoid –> water –> fish –> plerocercoid (infective stage) –> fish eating mammal –> adult
Prepatent period: 2-6 weeks

21
Q

Cestodes of the ruminants

A

Monezia expansa

Monezia benedeni

22
Q

Monezia, larval form

A

Cysticercoid

23
Q

Cestodes of the quines

A

Anocephala perfoliata

Anocephala magna

24
Q

Anocephala, larval form

A

Cysticercoid

25
Q

Human tapeworms

A

Taenia solium

Taenia saginata

26
Q

Taenia solium, intermediate host and larval form

A

Swine (skeletal muscles, accidentally in brain or eye of humans)
Cysticercus cellulosae

27
Q

Taenia saginata, intermediate host and larval form

A

Unarmed
Cattle (skeletal muscles)
Cysticercus bovis

28
Q

Tapeworms of carnivores

A 
Taenia pisiformis
Taenia hydatigena
Taenia ovis
Taenia cervi
Taenia crassiceps
Taenia taeniformis
29
Q

Taenia pisiformis, intermediate host and larval form

A

Rabbit and hares, Liver

Cysticercus pisiformis

30
Q

Taenia hydatigena, intermediate host and larval form

A

Ruminants, walnut sized, liver

Cysticercus tenucollis

31
Q

Taenia ovis, intermediate host and larval form

A

Sheep, skeletal muscles

Cysticercus ovis

32
Q

Taenia cervi, intermediate host and larval form

A

Deer, skeletal muscles

Cysticercus cervi

33
Q

Taenia crassiceps, intermediate host and larval form

A

Rodents, body cavity

Cysticercus longicollis

34
Q

Taenia taeniformis, intermediate host and larval form

A

Rodents, liver

Strobilocercus fasciolaris

35
Q

Tapeworms of canines

A

Taenia multiceps

Taenia serialis

36
Q

Taenia multiceps, intermediate host and larval form

A

Small ruminants, CNS (mainly in the brain)
Coernus cerebralis
Walnut sized
GID! –> false GID is by Oestrus ovis (nasal bot fly)

37
Q

Taenia serialis, intermediate host and larval form

A

Hares, subcutaneous tissue or intermuscular CT

Coernus serialis

38
Q

Flea tapeworm

A

Diplydium caninum

39
Q

Diplydium caninum, larval form

A

Cysticercoid

40
Q

Intermediate host of Diplydium caninum

A

Ctenocephalides fleas or

Trichodentes canis

41
Q

Echinococcus worms

A

Echinococcus granulosus

Echinococcus multiocularis

42
Q

Echinococcus granulosus, morphology, intermediate host and larval form

A

3 segments long
Bovine, suis, equine and humans; visceral organs (LIVER) + bone marrow
Sheep and goat; mainly in the lungs
Echinococcus hyatidosus

43
Q

Echinococcus multiocularis, morphology, intermediate host and larval form

A

5 segments long
Rodents and humans; mainly in liver
Echinococcus alveolaris

Parasitology (9 decks)

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