ORGANISM 4 -- Dientamoeba fragilis
GENERAL CHARACTERISTICS
COMMON NAME: None.
GEOGRAPHICAL DISTRIBUTION: Cosmopolitan.
PATHOGENESIS: Questionable pathogen, mild diarrhea.
HABITAT: Colon and cecum.
INTERMEDIATE HOST: None.
RESERVOIR HOST: None.
INFECTED FORM: Trophozoite.
MODE OF INFECTION: Unknown; with the ova of pinworms.
LABORATORY IDENTIFICATION:
SPECIMEN SOURCE: Feces.
Figure 1-28. Life cycle of Dientamoeba fragilis.
MD0842
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