SIZE: 8 to 9 mcm.
SHAPE : Round to oval.
NUCLEUS: Vesicular; condensed.
KARYOSOME: Broken; "lumps of coal".
PERIPHERAL CHROMATIN: Absent.
APPEARANCE: Granular; vacuolated.
ORGANELLES: Vacuoles; bacteria, yeast; pseudopodia; broad, often serrated,
Figure 1-29. Trophkozoites, Dientamoeba fragilis
No cystic stage known.