All are true about Balantidium coli except:
Balantidium coli Only ciliate protozoa and the largest causing human disease (ciliate dysentery). Infective stage: binucleate cyst; spherical, ellipsoid, 50-75mm, double layered cyst wall. The invasive form is the trophozoite - 80-120mm; two nuclei (macronucleus, micronucleus), peristome, cytostome, cytopharynx, cytopyge.
It is a protozoa
Cyst is the infective stage
Usually invades liver
It is the largest protozoan parasite inhabiting large intestine in man
Parasitology Pa 1 (Protozoology)