Microbiology JIPMER 2017 ddb7bb3d Ingested RBCs (Erythrophagy) seen in: A Naegleria fowleri B Entamoeba histolytica C Entamoeba coli D Acanthamoeba High-Yield Explanation Erythrophagocytosis (engulfed RBC inside trophozoites) is confirmatory of E. histolytica.Infective form of E. histolytica- Quadrinucleate cyst.