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 ...