In which organ of man is Entamoeba histolytica found?
Rectum
Oral cavity
Stomach
Intestine
A
Intestine
B
Oral cavity
C
Rectum
D
Stomach
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Solution
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The cysts of E. histolytica enter the small intestine and release active amoebic parasites (trophozoites), which invade the epithelial cells of the large intestines, causing flask-shaped ulcers. Infection can then spread from the intestines to other organs - eg, the liver, lungs and brain, via the venous system. Amoebiasis is caused by the protozoan Entamoeba histolytica.
Therefore, the correct answer is option D.
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