Forwarded from يونت الخلية
The mature cyst of Entamoeba histolytica has
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10%
Single nuclei
77%
Four nuclei
14%
eight nuclei
Forwarded from يونت الخلية
The picture shows
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7%
non pathogenic E.dispar
67%
E.histolytica Trophozoite
26%
E.histolytica cyst
Forwarded from يونت الخلية
Forwarded from يونت الخلية
cysts are not highly resistant and are readily killed by
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68%
Boiling water
13%
Chlorination of water
19%
Filtration of water
In metacystic trophozoites stage the amoeba has
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66%
8 nucleus
6%
6 nucleus
28%
2 nucleus
E. histolytica
Infective form (Mature quadrinucleate
cyst)
—> Excystation
—> metacyst (4 nucleate)
—> The nuclei in the metacyst immediately undergo division to form 8 nuclei (8 small amoebulae or metacystic trophozoites)
Infective form (Mature quadrinucleate
cyst)
—> Excystation
—> metacyst (4 nucleate)
—> The nuclei in the metacyst immediately undergo division to form 8 nuclei (8 small amoebulae or metacystic trophozoites)
The optimal habitat for the metacystic trophozoite is the submucosal tissue of and
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3%
colon
12%
caecum
11%
small intestine
2%
stomach
57%
a , b
7%
a , c
8%
all of above
The ingested cysts differentiate into trophozoites in the
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39%
ilum
18%
duodenum
15%
colon
29%
cecum
🔥1
In asymptomatic individuals who are passing cysts , the serologic test for the diagnosis of invasive amebiasis is
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39%
Postive
61%
Negative
the only protozoan parasite found in the lumen of the human small intestine
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34%
Entamoeba histolytica
66%
Giardia lamblia
G. Lamblia ,The trophozoite is pear- shaped with ____ nuclei, four pairs of flagella, and a sucking disk
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81%
Two
16%
Four
0%
Six
3%
Eight