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parasitology > exercise 3 > Flashcards

exercise 3 Flashcards

1
Q

Giardia lamblia size and shape (troph and cyst)

A

9.5-2 um
Bilaterally symmetrical pear-shaped, Ovoid/football

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2
Q

Chilomastix mesnili size and shape (troph and cyst)

A

6-20 um
Asymmetric pear, Lemon shaped with nipple- like protuberance

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3
Q

Trichomonas hominis size and shape

A

5-14 um
Pyriform

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4
Q

D. fragilis size and shape

A

3-22 um
Irregular

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5
Q

Trichomonas vaginalis size and shape

A

7-23 um
Pyriform

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6
Q

Leishmania donovani size and shape

A

2-3 um
Ovoid

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7
Q

Giardia lamblia # nucleus

A

Troph: 2
Cyst: 1-4

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8
Q

Chilomastix mesnili # nucleus

A

Troph & cyst: 1

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9
Q

T. hominis # nucleus

A

1

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10
Q

T. vag # nucleus

A

1

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11
Q

D. frag # nucleus

A

2

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12
Q

Giardia lamblia # flagella

A

4 thin, thread-like filaments

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13
Q

Chilomastix mesnili # flagella

A

3 anterior, rarely seen

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14
Q

T. hominis # flagella

A

3-5 anteriorly, 1 at undulating membrane

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15
Q

T. vag # flagella

A

4 anterior, 5th along undulating membrane

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15
Q

D. frag # flagella

A

None

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16
Q

Giardia lamblia troph structures

A

Sucking disc
Parabasal bodies
Axoneme

17
Q

Giardia lamblia cyst structures

A

Crossed fibrils

18
Q

Giardia lamblia IF

A

Mature quadrinucleated cysts

19
Q

Chilomastix mesnili troph. structures

A

Food vacuoles
Spiral groove

20
Q

Chilomastix mesnili cyst structures

A

Sheperd’s crook

21
Q

T. hominis structures

A

Undulating membrane

22
Q

T.hominis IF

A

Mature trophozoite

23
Q

Chilomastix mesnili IF

A

Mature cyst

24
Q

T.vag structures

A

siderophil granules
undulating membrane that extends to half the parasite length
axostyle

25
Q

D. frag structures

A

Vacuoles containing bacteria

26
Q

D.frag IF

A

Mature trophozoites

27
Q

T.vag IF

A

Mature trophozoites

28
Q

Giardia Lamblia movement

A

Falling leaf

29
Q

Chilomastix mesnili movement

A

Stiff and rotary

30
Q

T. hominis movement

A

Appear nervous
Rapidly quick jerks

31
Q

T.vag movement

A

Corkscrew

32
Q

D.frag movement

A

Actively motile with progressive movement

33
Q

Giardia lamblia MOI and Habitat

A

Ingestion
Small intestine

34
Q

Chilomastix mesnili MOI and Habitat

A

Ingestion
Colon

35
Q

T. hominis MOI and Habitat

A

Ingestion
Cecal area of L.I

36
Q

T.vag MOI and Habitat

A

Sexual intercourse
Genitals, UGT, Prostate

37
Q

D.frag MOI and Habitat

A

Ingestion
Lumen of cecum and upper colon

38
Q

Biggest trichomonas

A

T. vag

39
Q
A

parasitology (3 decks)

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