Intestinal Flagellates

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Last updated 10:29 AM on 10/1/26
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17 Terms

1
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Giardia lamblia is also known as

  • Giardia duodenale

  • Giardia intestinalis


2
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  • Discovered by Anton Van Leeuwenhoek

  • “Old Man With Eyeglasses”


Giardia Lamblia

3
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GIARDIA LAMBLIA:

  • Young cyst =

  • Mature cyst =


GIARDIA LAMBLIA:

  • Young cyst = 2 nuclei

  • Mature cyst = 4 nuclei


4
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Falling Leaf, Floating Leaf, Kite-like motility

Giardia lamblia trophozoites

5
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Giardia lamblia trophozoites is bilaterally symmetrical ____________

  • 1 pair of nuclei = 2

  • 4 pairs of flagella = 8


6
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Heart-shaped, Pyriform shaped, Teardrop shaped

Giardia lamblia trophozoites

7
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Giardia Lamblia:

  • Infective form: __________

  • Diagnostic form: ________


Giardia Lamblia:

  • Infective form: Mature cyst

  • Diagnostic form: Cyst


8
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Associated with GAY BOWEL SYNDROME (↑ fat, greasy stool)

Giardia lamblia

9
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Diagnosed via Enterotest (string test)

  • px swallow gelatin capsule, and remains in duodenum


Giardia lamblia

10
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  • Pear or Lemon shaped

  • Sheperd’s Crock


Chilomastix mesnili - CYST

11
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Boring / Spiral / Stiff / Rotary movement

Chilomastix mesnili - TROPHOZOITES

12
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TRICHOMONAS SPP:

  • 5 anterior & 1 posterior (full length of undulating membrane) = _________

  • 4 anterior & 1 along the outer margin of UM = _________

  • 4 free & 1 on the margin of UM =_______________



TRICHOMONAS SPP:

  • 5 anterior & 1 posterior (full length of undulating membrane) = T. hominis (6)

  • 4 anterior & 1 along the outer margin of UM = T. vaginalis (5)

  • 4 free & 1 on the margin of UM = T. tenax / buccalis (5)


13
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Trichomonas spp. HABITAT:

  • T. hominis =

  • T. vaginalis =

  • T. tenax =


Trichomonas spp. HABITAT:

  • T. hominis = cecum

  • T. vaginalis = urogenital tract (THE ONLY PATHOGENIC)

  • T. tenax = mouth


14
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T. vaginalis INFECTIVE FORM

Trophozoites

  • it has no cyst form


15
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  • Strawberry mucosa

  • Chicken-like epithelium


Trichomonas vaginalis

16
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What happens of vaginal pH if infected with T. vaginalis

  • Increases (alkaline) = >4.5 pH

    • cystein protease, adhesins, lactic acid, & acetic acid


17
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Gold Standard for T. vaginalis identification

  • CULTURE

    • Diamond’s Modified Medium