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Entamoeba coli is the most common _______ of humans.
endocommensal -a commensal dwelling within the body of its host.
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E. coli feeds on ________.
C. Bacteria and other cells.
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True or false. Entamoeba coli is a non-pathogenic amoebae of man and reside in the large intestine of a human host.
True. It does not invade tissues.
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E.coli commonly inhabits what part of the host's body?
lumen of the cecum and colon of man and other animals
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Compared to a mature entamoeba histolytica with 4 nucleus, entamoeba coli matures with _____ nucleus.
D. 8. It is considered larger than the entamoeaba histolityca.
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What happens during the metacystic stage of the e. coli?
The 8-nucleated cyst excysts (cysts matures as a trophozoites) in the lumen of the large intestine and immediately divides into 8 small trophozoites.
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True or false. Despite its classification as a non-pathogenic, Entamoeba coli can cause occasional diarrhea.
True.
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E.coli moves by means of ______,in a sluggish non-directional motion, mostly to ingest food.
A. Pseudopodia
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Compare e. histolytica and e. coli.
- 1. Size: Entamoeba histolityca is much smaller due that it has 4 mature cysts compared to entamoeba coli.
- 2.Motility: e.histolytica moves progressively while entamoeba coli moves in a more sluggish nondirectional way.
- 3.Shape: E. histolytica tend to be oval in shape while e.coli varies in shape.
- 4.Nucleus: E. histolytica matures with 4 nucleus, while e.coli matures with 8.
Refer to slide number 68.
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What is the geographical distribution of the protozoa, amoeaba, e.coli?
It is mostly found in cosmopolitan area — full of people from many different countries and cultures— and worldwide.
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True or false. Man is the most common if not the exclusive sourceof human infection.
True.
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How can we diagnose e.coli?
Same as e. histolytica, direct fecal smear for diarrheic stools containing trophozoites.
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True or false. E.coli parasite is resistant to the usual anti-amoebic drugs.
True
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