Flagellates & Ciliates (Balantidium Coli) Flashcards

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1
Q

The only human pathogen from the ciliate
phylum

A

B.coli

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2
Q

parasitic stage responsible for transmission of balantidiasis

A

Cysts

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3
Q

B. coli cyst shape? Structure?

A

Spherical; surrounded by vacuoles - contains Macro and micro nucleus

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4
Q

This morph. phase of B. coli is covered in longitudinal rows of cilia, non-infective, have boring or rotary motility, etc.

A

Trophozoite

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5
Q

Disease caused by B. coli?

A

Balantiadiasis

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6
Q

Habitat of B. coli?

A

large intestine esp. the caecum

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7
Q

Incubation period B. coli?

A

4-5 days

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8
Q

Duration of Illness? B. coli

A

1 Week

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9
Q

If left untreated… it may cause a) abdominal bleeding leading to? b) persistent diarrhea leading to?

A

a) death
b) dehydration/fluid loss

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10
Q

How do trophozoites invade (B. coli)?

A

HYALURONIDASE ENZYME

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11
Q

Explain how does B. coli infect the intestinal mucosa….

A

Hyaluronidase enzyme -> degrade intestinal mucosa -> flask shaped ulcers

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