Entamoeba coli Cysts in feces (iodine stain, oil immersion). In these two cysts, five or six of the eight nuclei are visible in the plane of focus.     Reference: http://ruby.fgcu.edu

Cysts of Entamoeba coli are usually spherical, but may be elongated, and measure 10 to 35 µm. Mature cysts typically have 8 nuclei but may have as many as 16 or more. Entamoeba coli ...