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Zoology 352 Labs 1-3 > Lab 2-Trypanosoma > Flashcards

Lab 2-Trypanosoma Flashcards

1
Q

Kingdom of Trypanosoma

A

Animalia

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2
Q

Phylum of Trypanosoma

A

Euglenozoa

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3
Q

Disease caused by Trypanosoma (broad)

A

Trypanosomiasis

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4
Q

Sample disease that Trypanosomiasis can manifest

A

Chaga’s disease (humans) / Sleeping sickness

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5
Q

How are most parasites spread?

A

blood-feeding vectors

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6
Q

General category of organisms that Trypanosoma uses as direct host

A

Vertebrates

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7
Q

Most common life patter

A

Salivarian trypanosomes

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8
Q

Trypomastigote

A

Form of Trypanosomatidae w/ flagellum arising POSTERIOR to nucleus, and has undulating membrane

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9
Q

Are trypomastigotes intra or extracellular parasites?

A

Extracellular

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10
Q

Examples of indirect hosts

A

Tsetse fly

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11
Q

Where do trypomastigotes develop in indirect host?

A

Gut

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12
Q

What is an epimastigote?

A

Form of Trypanosomatidae with the flagellum arising ANTERIOR to nucleus, and has undulating membrane

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13
Q

Where do epimastigotes develop and divide?

A

Salivary glands

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14
Q

What is different about T. cruzi’s method of transfer of infective agents?

A

It does so through fecal matter, not saliva

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15
Q

What specific species is the causative agent of Chaga’s disease?

A

Trypanosoma cruzi

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16
Q

Morphological forms of Trypanosoma in chronological order

A

amastigote –> promastigote –> epimastigote –> trypomastigote

17
Q

Where do amastigotes live?

A

inside host’s muscle cell

18
Q

At what stage does the undulating membrane form?

A

epimastigote

19
Q

What characterizes the different morphological forms of trypanosoma?

A
  • flagellum

- kinetoplast

20
Q

T. lewisi flagellum and kinetoplast

A
  • little flagellum free of undulating membrane

- kinetoplast is posterior, but not terminal

21
Q

T. cruzi flagellum and kinetoplast

A
  • flagellum emerges from kinetoplast to opposite end

- kinetoplast is at the end

22
Q

T. gambiense flagellum and kinetoplast

A
  • flagellum present

- kinetoplast is at one end

23
Q

T. carassii flagellum and kinetoplast

A
  • flagellum is anterior after it passes through kinetoplast and body
  • kinetoplast is at posterior end
24
Q

T. rotatorium flagellum and kinetoplast

A
  • little flagellum free of undulating membrane

- posterior but not terminal kinetoplast

25
Q

Where does T. cruzi trypomastigote live?

A

heart cells of mammals

26
Q

Where does T. gambiense trypomastigote live?

A

blood of mammals

27
Q

Where does T. carassii trypomastigote live?

A

blood of fish host

28
Q

Where does T. rotatorium trypomastigote live?

A

blood of amphibians

Zoology 352 Labs 1-3 (17 decks)

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