All are true about Entamoeba Histolytica except -
Cyst are 8 nucleated
Cyst are 4 nucleated
Trophozoites colonise in the colon
The chromatid bodies are stained by Iodides
Life cycle of E. histolytica. (1) Trophozoite in gut lumen, (2) Precystic form, (3) Uninucleate cyst, (4) Binucleate cyst, (5) Quadrinucleate cyst, passed in faeces, (6) Mature cyst--infective when ingested, (7) Excystation in small intestine, (8) Metacystic form, (9) Eight daughter amoebulae, (10) Trophozoite shed in faeces--cannot encyst, (11) Tissue form of trophozoite in colonic ulcer--shows ingested erythrocytes TEXTBOOK OF MEDICAL PARASITOLOGY,CKJ PANIKER,6TH EDITION,PAGE NO 17
parasitology