Definition of entamoeba
: any of a genus (Entamoeba) of amoebas parasitic in vertebrates and including one (E. histolytica) that causes amebic dysentery in humans
Medical Definition of entamoeba
1 capitalized : a genus of ameboid protozoans (order Amoebida) that are parasitic in the vertebrate digestive tract and especially in the intestines and that include the causative agent (E. histolytica) of amebic dysentery—see endamoeba
2 also entameba plural entamoebas or entamoebae \-(ˌ)bē\ play : any protozoan of the genus Entamoeba
entamebic\-bik\ play adjective
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