One of the most important and pathogenic parasites of humans.
Although dogs, cats and primates may be infected, these infections are rare and unimportant (reservoir).
This parasite is primarily a human parasite and is transmitted from human to human.
multiple well defined pseudopodia often extended eruptively (การยื่นออก)
Differentiation into endo- and ectoplasm
Spherical nucleus (4-7 mm) with small central nucleolus and characteristic radial spokes