ENT 156L - Lab 4-5: Protozoan Parasites

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24 Terms

1
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Entamoeba histolytica cyst

1-4 nuclei, sometimes chromatid bar, rounder

<p>1-4 nuclei, sometimes chromatid bar, rounder</p>
2
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Entamoeba histolytica trophozoite (intestinal tissue)

lots of surrounding cells, white around it (lacuna), single ringlike nucleus

<p>lots of surrounding cells, white around it (lacuna), single ringlike nucleus</p>
3
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Entamoeba coli cyst

up to 5-8 nuclei, slightly larger than E. histolytica cyst; splintered chromatoidal bar

<p>up to 5-8 nuclei, slightly larger than E. histolytica cyst; splintered chromatoidal bar</p>
4
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Iodamoeba butschlii cyst

Large glycogen vacuole/ body which stains red-brown deeply with iodine, no ringlike nucleus

<p>Large glycogen vacuole/ body which stains red-brown deeply with iodine, no ringlike nucleus</p>
5
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Giardia lamblia cyst

cysts are oval to ellipsoid, Mature cysts have 4 nuclei, while immature cysts have two. Nuclei and fibrils are visible in both iodine-stained wet mounts and trichrome-stained smears.

<p>cysts are oval to ellipsoid, Mature cysts have 4 nuclei, while immature cysts have two. Nuclei and fibrils are visible in both iodine-stained wet mounts and trichrome-stained smears.</p>
6
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Giardia lamblia trophozoite

trophozoites are pear-shaped, In permanent, stained specimens, 2 large nuclei are usually visible

<p>trophozoites are pear-shaped, In permanent, stained specimens, 2 large nuclei are usually visible</p>
7
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Balantidium coli cyst

round, only see peanut/kidney bean shaped macronucleus, have cilia

<p>round, only see peanut/kidney bean shaped macronucleus, have cilia</p>
8
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Balandtidium coli trophozoite

more oval shape, see peanut shaped organelle, have cilia; in intestinal tissue

<p>more oval shape, see peanut shaped organelle, have cilia; in intestinal tissue</p>
9
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Entamoeba histolytica components

nuclei

chromatidal bars

<p>nuclei</p><p>chromatidal bars</p>
10
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Trichomonas trophozoite

like leaf, w/nuclei, couple stringy flagella

<p>like leaf, w/nuclei, couple stringy flagella</p>
11
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Trypanosoma brucei

longer, more squiggly, smaller kinetoplast

<p>longer, more squiggly, smaller kinetoplast</p>
12
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Trypanosoma cruzi

C-shaped, bigger kinetoplast

<p>C-shaped, bigger kinetoplast</p>
13
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Trypanosome trypomastigote

lose flagella, look like a tadpole, more "fin"?

<p>lose flagella, look like a tadpole, more "fin"?</p>
14
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Trypanosome amastigote

very small, round, deep staining nucleus, kinetoplast; for T. cruzi found in heart tissue

<p>very small, round, deep staining nucleus, kinetoplast; for T. cruzi found in heart tissue</p>
15
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Trypanosome epimastigote

multiply in this form, less "fin"?

<p>multiply in this form, less "fin"?</p>
16
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Leishmania amastigote

small, cannot distinguish b/t Trypanosome amastigote

<p>small, cannot distinguish b/t Trypanosome amastigote</p>
17
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Leishmania promastigote

spermy looking, circle nucleus in middle, bar-shaped kinetoplast near flagella end

<p>spermy looking, circle nucleus in middle, bar-shaped kinetoplast near flagella end</p>
18
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Toxoplasma gondii tachyzoites

small crescents, look like T. cruzi w/o flagella

<p>small crescents, look like T. cruzi w/o flagella</p>
19
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Plasmodium vivax thin film

thin ring, schizonts have >12 merozoites, rbcs are enlarged/amoeboid

<p>thin ring, schizonts have &gt;12 merozoites, rbcs are enlarged/amoeboid</p>
20
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Plasmodium malariae thin film

thicker ring, compact trophozoite, schizonts have <12 merozoites

<p>thicker ring, compact trophozoite, schizonts have &lt;12 merozoites</p>
21
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Plasmodium falciparum thin film

multiple rings?, won't see mature trophozoites or schizonts bc sequestered in circulatory system!

<p>multiple rings?, won't see mature trophozoites or schizonts bc sequestered in circulatory system!</p>
22
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Plasmodium falciparum gametocyte

banana-shaped, nucleus, many dots in center

<p>banana-shaped, nucleus, many dots in center</p>
23
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P. falciparum trophozoite

ring structure w/2 dark ends

<p>ring structure w/2 dark ends</p>
24
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P. falciparum schizont

flower-like?, lots of dots; won't usually see in thin blood film bc sequestered

<p>flower-like?, lots of dots; won't usually see in thin blood film bc sequestered</p>