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Medical Parasitology [Undergraduate] > Exam 3: Lab > Flashcards

Exam 3: Lab Flashcards

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1
Q

ID the organism and stage shown.

What features noted?

A

Clonorchis sinensis

Eggs

  • Urn shape
  • Collar at base of operculum
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2
Q

ID the organism and stage shown.

What features noted?

A

Clonorchis Sinensis

Adult stage

  • Oral sucker is 1/4 from the anterior end
  • Vitellaria are lateral and loosely coiled
  • Caeca extends into posterior region
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3
Q

ID organism and stage shown.

What features noted?

A

Fasciola hepatica

Miracidium

  • Tiny and elongate
  • Has cilia
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4
Q

ID organism and stage shown.

What features noted?

A

Fasciola hepatica

Sporocyst

  • Germ balls
  • Variable size

**double check that this is Fasciola hepatica

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5
Q

ID organism and stage shown.

What features noted?

A

Fasciola hepatica

Redia

  • Elongate and blunt at the posterior end
  • Can have stumpy appendages (proscruli/ ambulatory buds)
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6
Q

ID organism and stage shown.

What features noted?

A

Fasciola hepatica

Redia

  • Elongate and blunt at the posterior end
  • Can have stumpy appendages (proscruli/ ambulatory buds)
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7
Q

ID organism and stage shown.

What features noted?

A

Fasciola hepatica

Cercaria

  • Presence of a tail
  • Has oral and ventral suckers
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8
Q

ID organism and stage shown.

What features noted?

A

Fasciola hepatica

Adult form

  • Cephalic cone and “shoulders,”
  • Highly branched intestinal ceca, clearly visible at the posterior end
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9
Q

ID organism and stage shown.

What features noted?

A

Clonorchis sinensis

Adult form

  • Posterior, tandem, dendritic testes
  • Vitelline glands, confined to the middle of the body
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10
Q

ID the organism and stage shown.

Give characteristic features.

A

Paragonimus westermani

Adult form

  • Note the coffee-bean shape
  • Long, wavy ceca
  • Adjacent, branched testes
  • Off-centered, lobate ovary
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11
Q

ID the organism and sex shown.

Give characteristic features.

A

Schistosoma mansoni

Female

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12
Q

ID the organism and sex shown.

Give characteristic features.

A

Schistosoma mansoni

Male

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13
Q

ID the organism and sex shown.

Give characteristic features.

A

Schistosoma mansoni

both

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14
Q

ID the organism and sex shown.

Give characteristic features.

A

Fasciolopsis buski

Egg

  • [add things]
  • Nearly same size and shape as F. hepatica
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15
Q

ID the class of organism shown and the stage it is in.

What key characteristics do you see?

A

Trematode

Egg

  • Opercular shoulders
  • Operculum
  • Spine (top right)
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16
Q

ID organism and stage shown.

What features noted?

A

Fasciola Hepatica

Egg

  • Oval shape
  • Operculum
  • Diffuse yolk granules
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17
Q

ID organism and stage shown.

What features noted?

A

Fasciola Hepatica

Egg

  • Oval shape
  • Operculum
  • Diffuse yolk granules
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18
Q

ID organism and stage shown.

What features noted?

A

Paragonimus westermani

Egg

  • Thick abopercular wall
  • Relatively wide operculum, which sits in a rim.
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19
Q

ID organism and stage shown.

What features noted?

A

Fasciolopsis buskii

Adult

  • No cephalic cone, no shoulders
  • Ventral sucker is larger
  • Caeca lack side branches
  • Extensive vitelline glands occupy the lateral margins
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20
Q

ID the organism and stage shown.

What features noted?

Study These Flashcards
A

Echinostoma revolutum

Adult

  • Echino-oral spines
  • Ventral sucker a lot bigger
  • 2 tandem testes (one in front of the other)
21
Q

ID the organism and stage shown.

What features noted?

Study These Flashcards
A

Heterophyes heterophyes

Adult

  • Small, tear-drop shape
  • Posterior genital sinus (gonotyl)
22
Q

ID the organism and stage shown.

What features noted?

Study These Flashcards
A

Schistosoma hematobium

Egg

  • Prominent terminal spine
23
Q

ID the organism and stage shown.

What features noted?

Study These Flashcards
A

Schistosoma mansoni

Egg

  • Large, lateral spine
24
Q

ID the organism and stage shown.

What features noted?

Study These Flashcards
A

Schistosoma japonicum

Egg

  • Nubby lateral spine
  • More rounded shape
25
ID the organism and stage shown. What features noted?
*Schistosoma mansoni* Male w/ Female inside * Male has **tegument with papillae**
26
ID the organism and stage shown. What features noted?
*Schistosoma mansoni* Cercaria * **Forked tail**
27
ID the organism and stage shown. What features noted?
*Schistosoma mansoni* Miracidium * not sure TBH, there's cilia though \*\*doubt it will be on the exam (just guessing though)\*\*
28
ID the organism and stage shown. What features noted?
*Schistosoma mansoni* Sporocyst * idk, it's elongate
29
ID the organism and stage shown. What features noted?
*Diphyllobothrium latum* Egg * **Oval shape** * **Abopercular knob**
30
ID the organism and stage shown. What features noted?
*Diphyllobothrium latum* Scolex * Bothrium shown at the arrow
31
ID the organism and stage shown. What features noted?
*Diphyllobothrium latum* Mature proglottid * **Bilobed ovary** * **Rosette-shaped uterus** with brown eggs
32
ID the organism and stage shown. What features noted?
*Taenia pisiformis* Scolex * **Armed rostellum** * **4 acetabelum** (suckers) \*similar to *T. solium*
33
ID the organism and stage shown. What features noted?
*Taenia pisiformis* Mature proglottid * **Bi-lobed ovary** * Follicular testes * Lateral genital pore
34
ID the organism and stage shown. What features noted?
*Taenia Saginata* Scolex * **No hooks**
35
ID the organism and stage shown. What features noted?
*Taenia Saginata* Proglottid * **_More than_ 14 side branches** in gravid uterus
36
ID the organism and stage shown. What features noted?
*Taenia solium* Scolex * **Armed rostellum**
37
ID the organism and stage shown. What features noted?
*Taenia solium* Proglottid * **_Less than_ 14 side branches** in the gravid uterus
38
ID the organism and stage shown. What features noted?
*Taenia solium* Cysticercus * Invaginated scolex
39
ID the organism shown
*Taenia saginata*
40
ID the organism shown. What structures give it away?
*Taenia solium* Armed rostellum
41
ID the organism and stage shown. What features noted?
*Hymenolepis nana* Cysticercoid * ya just know
42
ID the organism and stage shown. What features noted?
*Hyemnolepis nana* Mature proglottids * 3 testes * Wider than long
43
ID the organism and stage shown. What features noted?
*Hymenolepis nana* Egg * **polar thickenings** * **thick emryophore**
44
ID the organism and stage shown. What features noted?
*Hymenolepis diminuta* Adult [scolex] * rostellum with no hooks
45
ID the organism and stage shown. What features noted?
*Hymenolepis diminuta* Strobila [Mature proglottid] * 3 testes * Wider than long
46
ID the organism and stage shown. What features noted?
*Hymenolepis diminuta* Egg * Oncosphere with hooks * No polar filaments
47
ID the organism and stage shown. What features noted?
*Hymenolepis diminuta* Eggs * Oncosphere with hooks * No polar filaments
48
ID the organism and stage shown. What features noted?
*Dipylidium caninum* Adult [scolex] * **Pointed rostellum w/ 4 suckers**
49
ID the organism and stage shown. What features noted?
*Dipylidium caninum* Adult proglottid * **2 sets of reproductive structures** * **2 genital pores** * **More than 12 testes**

Medical Parasitology [Undergraduate] (6 decks)

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