Microbiology parasitology b497e25d Chromidial bars are absent in which stage of cysts in Entamoeba? A Uninucleate B Binucleate C Quadra nucleate D Octa nucleate High-Yield Explanation In quadri nucleate stage, glycogen mass and chromidial bars are absent in cysts of Entamoeba Ref: Arora.Medical parasitology 4th ed pg. 38