Ma'anar ƙamus na kalmar "eukaryotic" ita ce: mai alaƙa ko ma'anar sel waɗanda ke da tsakiya da sauran gabobin da ke daure membrane. Kwayoyin Eukaryotic sun fi ƙwayoyin prokaryotic hadaddun, waɗanda ba su da ainihin tsakiya da sauran kwayoyin da ke daure membrane. Kwayoyin Eukaryotic sun haɗa da dabbobi, shuke-shuke, fungi, da protists.