Enteromonas hominis 1 02.jpg

Taxonomy: f. Enteromonadidae
Animal: Enteromonas hominis 1 02.jpg
Sites: Gut
Comment:
Enteromonas hominis trophozoites pear shaped 4 - 10 x 3 - 6 microns in faecal smear stained with Trichrome. N.B. One nucleus and 3 anterior flagella and 1 posterior flagella extending free posteriorly or laterally although difficult to see. One side of body flattened and no cytostome as in C. mesnili. E.hominis is considered to be non-pathogenic and often not recognised so little is known of this organism,; it may be more common than is thought. There were a large number in the faeces of a 50 year old female with 2 months history of diarrhoea following a trip to Africa. They were present in 4 stool samples presented over a 6 week period. Also present were Entamoeba coli trophozoites and cysts. No pathogenic organisms were isolated and the cause of her symptoms was not identified. (TEM was used to confirm the diagnosis - see 12 04, 05)

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