A. Cyst are 8 nucleated.
B. Cyst are 4 nucleated.
C. Trophozoites colonise in the colon.
D. All of the above.
Cyst of E. histolytica is quadrinucleate (4 nuclei)
- Chromatid bodies do not stain with iodine but are seen as refractile oblong bars with rounded ends in preprations with normal saline and as black when stained with iron-haematoxylin.
- Trophozoites colonize cecum and ascending colon, sigmoid colon, rectum and appendix in order of frequency.