Parasitology Images Flashcards

Photos from Dr. Heather Walden, lecturer at UF CVM.

1
Q
A

Gravid proglottid

Cyclophyllideans - true tapeworms

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1
Q
A

Dipylidium caninum

“Cucumber Seed Worm/Double-pored Tapeworm”

(egg packet)

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1
Q
A

Cytauxzoon felis

(schizont)

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1
Q
A

Ixodes scapularis

“Black-legged Tick”

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2
Q
A

Anoplocephala perfoliata

“Lappeted Tapeworm”

(hexacanth embryo)

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2
Q
A

Haemonchus contortus

“Barberpole Worm”

(adult)

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2
Q
A

Stomoxys calcitrans

“Stable Fly”

(adult)

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3
Q

4 sporocysts w/ 2 sporozoites each

A

Eimeria spp.

(oocyst)

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4
Q
A

Oxyuris equi

“Large Equine Pinworm”

(egg - asymmetrical, “operculated”, unembryonated)

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5
Q
A

Platynosomum concinnum (aka fastosum)

“Lizard Poisoning Fluke”

(adult)

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7
Q
A

Fasciola hepatica

“Live Fluke”

(circariae)

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7
Q
A

Oxyuris equi

“Large Equine Pinworm”

(adult)

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8
Q
A

Tritrichomonas foetus/blagburni

“Trichomonads”

(Adults)

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8
Q
A

Toxoplasma gondii

(bradyzoite - tissue cyst)

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10
Q
A

Cysticercoid (cestodes larvae type)

  • single scolex
  • NOT invaginated

Cestodes - tapeworms

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11
Q
A

Ancylostoma caninum

“Canine Hookworm”

(adult)

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12
Q
A

Bothria - sucker attachment w/ out hooks

  • compare to scolex

Characteristic of pseudophyllideans (pseudotapeworms)

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13
Q
A

Trypanosoma cruzi

(amastigote - pseudocyst)

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14
Q
A

Trypanosoma cruzi

(trypomastigote)

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15
Q
A

Gravid proglottids

Pseudophyllideans - pseudotapeworm

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16
Q
A

Dermacentor variabilis

“American Dog Tick/Wood Tick”

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17
Q
A

Fasciola hepatica

“Live Fluke”

(miracidia)

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18
Q
A

Trichinella spiralis

“Trichina Worm”

(Adult)

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18
Q
A

Cytauxzoon felis

(piroplasms - within RBCs)

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19
Q
A

Otodectes cynotis

“Ear Mite”

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20
Q

Head wider than thorax

Name Order

A

Order Mallophaga

“Chewing/Biting Lice”

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22
Q
A

Dipylidium caninum

“Cucumber Seed Worm”

(adult)

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23
Q

Name the superfamily

A

Trichostrongyle (HOTC)

Nematode superfamily

(eggs)

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24
Q
A

Heterobilharzia americana

“Canine Blood Fluke”

(egg)

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24
Q
A

Trichinella spiralis

“Trichina Worm”

(Larvae)

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25
Q
A

Toxoplasma gondii

(tachyzoites)

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26
Q
A

Anoplocephala perfoliata

“Lappeted Tapeworm”

  • lappets (“bowties) behind each sucker

(adult)

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27
Q
A

Anopheles spp.

(mosquito)

28
Q
A

Type II Ostertagiasis

Mucosal reddening

29
Q
A

Toxocara canis

“Canine Ascarids”

(egg - thick shelled)

29
Q
A

Rhipicephalus sanguineus

“Brown Dog Tick”

30
Q
A

Dirofilaria immitis

“Canine Heartworm”

(Microfilariae - prelarval stage)

31
Q
A

Fasciola hepatica

“Liver Fluke”

(egg - operculated)

33
Q
A

Ancylostoma caninum

“Canine Hookworm”

(egg - non-embryonated)

34
Q

2 sporocysts w/ 4 sporozoites each.

A

Cystoisospora spp.

(oocyst)

36
Q
A

Spirometra mansonoides

Pseudophyllidean - pseudotapeworm

(egg - operculated)

37
Q
A

Dirofilaria immitis

“Canine Heartworm”

(Embryo)

38
Q
A

Culex spp.

(mostquito)

39
Q
A

Sarcocystis spp.

(sarcocyst)

39
Q
A

Demodex canis

“Follicle Mite”

41
Q
A

Heterobilharzia americana

“Canine Blood Fluke”

(adults - dioecious)

43
Q
A

Fasciola hepatica

“Live Fluke”

(metacercariae)

45
Q
A

Fasciola hepatica

“Liver Fluke”

(Adult stage)

46
Q
A

Aedes spp.

(mostquito)

47
Q
A

Sarcoptes scabiei

“Scabies” - Mite

48
Q
A

Echidnophaga gallinacean

“Stick-tight Flea, Poultry Flea”

(adult female)

49
Q
A

Chrysops spp.

“Deer Fly”

(larvae)

51
Q
A

Multilocular Hyatid Cyst (cestodes larvae type)

  • 100’s or 1000’s of protoscolices
  • Encapsulated
  • Bubbles out & spreads like cancer

Cestodes - tapeworm

52
Q
A

Mature proglottid - 2 sets of reproductive organs

Cyclophyllideans - true tapeworms

53
Q
A

Giardia spp.

(Trophozoite)

  • 8 flagella
  • 2 nuclei
54
Q
A

Cysticercus (cestodes larvae type)

  • single scolex
  • Invaginated

Cestodes - tapeworm

56
Q
A

Spirometra mansonoides

Pseudophyllidean - pseudotapeworm

(adult)

57
Q
A

Tabanus spp.

“Horse Fly”

(adult)

58
Q
A

Amblyomma americanum

“Lone Star Tick”

L: Male

R: Female

59
Q
A

Spirometra mansonoides

Pseudophyllidean - pseudotapeworm

(plerocercoids/sparganum)

60
Q
A
  • Taeniid* Tapeworms
  • Indistinguishable hexacanth embryo from others taeniid spp.
61
Q
A

Pulex simulans

“Flea”

(adult female)

62
Q
A

Giardia spp.

(Cyst)

-4 nuclei

63
Q
A

Tabanus spp.

“Horse Fly”

(larvae)

64
Q
A

Sarcocystis spp.

(oocyst)

65
Q
A

Type I Ostertagiasis

“Moroccan leather” appearance of abdominal mucosa

66
Q
A

Ctenocephalides felis

“Flea”

L: female

R: male

67
Q
A

Cryptosporidium spp.

68
Q
A

Toxocara canis

“Canine Ascarids”

(adult)

70
Q
A

Sarcocystis spp.

(schizont - form rosette)

71
Q
A

Ostertagia ostertagi

“Brown Stomach Worm”

(adult)

72
Q
A

Coenurus (cestodes larvae type)

  • many scolices
  • invaginated

Cestodes - tapeworm

73
Q
A

Spirometra mansonoides

Pseudophyllidean - pseudotapeworm

(procercoid)

74
Q
A

Chrysops spp.

“Deer Fly”

(adult)

75
Q

Thorax wider than head

Name Order

A

Order Anoplura

“Sucking Lice”

76
Q
A

Toxoplasma gondii

(oocyst - sporulated on L, unsporulated on R)

77
Q
A

Platynosomum concinnum (aka fastosum)

“Lizard Poisoning Fluke”

(egg - operculated)

78
Q
A

Taenia pisiformis

“Rabbit tapeworm”/”Abdominal bladderworm”

(adult)

79
Q
A

Unilocular Hyatid Cyst (cestodes larvae type)

  • 100’s or 1000’s of protoscolices
  • Encapsulated

Cestodes - tapeworm

80
Q
A

Dirofilaria immitis

“Canine Heartworm”

(Adult)

81
Q
A

Platynosomum concinnum (aka fastosum)

“Lizard Poisoning Fluke”

(metacercariae)