cysts of entamoeba histolityca

entamoeba histolytica amebiasis dysentery amebic cyst medical medicine microbe microbiology microscopic organism invasion parasite protozoan science scientific parasitic infection illness 3d ameba amoeba illustration biology unicellular amoebic cell disease eukaryote nuclei diagnosis amebae karyosome mature laboratory microscope microscopy intestinal nonpathogenic contaminated smear water diarrheal diarrhea extraintestinal liver abscess hepatic