Saturday, June 4, 2016

Answer to Case 399

Answer:  Dientamoeba fragilis

This organism has an overall structure like an amoeba, but has an internalized flagellum, and is therefore most accurately characterized as a flagellate. It is sometimes referred to as an amoeboflagellate. As nicely described by Florida Fan, D. fragilis has a characteristic nucleus with 'fragmented' appearing chromatin. It commonly has 2 nuclei, but may also have 1, as seen in some of the organisms in this case.

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