structure of entamoeba histolytica

naegleria large education pseudopod membrane microorganism micro vector anatomy study acanthamoeba bacterium contractile animal singlecell tiny laboratory dentistry gingivalis parodontitis healthcare unicelled periodontal cavity mouth periodontitis amoeba red blood cells bacteria pathogenic reproductive balantidium coli intestine microbiological fowleri eating scientific sickness research cell vacuole nucleus structure rbc oral capturing organic microscopic testate science invasion pseudopodia parasite amoebic ameba dysentery aggression medicine proteus microbiology organism disease biology macro histolytica entamoeba illness protozoan microbe eukaryote unicellular amebiasis parasitic infection medical