Definition
An amoeba or ameba, often called an amoeboid, is a type of cell or unicellular organism with the ability to alter its shape, primarily by extending and retracting pseudopods. Amoebae do not form a single taxonomic group; instead, they are found in every major lineage of eukaryotic organisms. Amoeboid cells occur not only among the protozoa, but also in fungi, algae, and animals.
Related concepts
AcanthamoebaAcanthamoebidaeAcanthopodidaAcipyxisAcramoebidaeAcrasidaActinActinophryidActinophryidaActinophrys solAcytosteliaceaeAcytostelialesAdenosine triphosphateAlgaeAlveolataAlveolateAmebocyteAmoeba (disambiguation)Amoeba (genus)Amoeba proteusAmoebiasisAmoebic dysenteryAmoebidaeAmoeboflagellateAmoeboidAmoeboid movementAmoebozoaAmoebozoanAmorpheaAncient GreekAngulamoebaAnimalAnimalsApicomplexaApicomplexan life cycleApicoplastApolimiaApusomonadApusozoaArboramoebaArcellaArcellidaeArcellinidaArchaeocyteArchaeplastidaArchamoebaeArchamoebeaArchezoaArgynniaArmipyxisAscetosporeaAugust Johann Rösel von RosenhofAutotrophyAuxotrophyAxostyleBacteriumBalamuthia mandrillarisBalamuthiidaeBase pairsBelonocystisBiological life cycleBiomyxaBiotrophyBipseudostomatidaeBory de Saint-VincentBoveellaBreviateaBrown algaeC. G. EhrenbergCRuMsCalciumCaryoblasteaCavenderiaceaeCavosteliidaCell (biology)Cell membraneCell wallCentramoebiaCentramoebidaCentroplasthelidaCentropyxidaeCeratiomyxaCercozoaCercozoanChaos (genus)Chaos carolinenseChitinChoanocyteChoanoflagellateChoanozoaChromistaChrysophyteCiliateCiliumCirrus (biology)Class (biology)ClastodermataceaeClastodermatalesCoccoid (disambiguation)CoccolithCochliopodiidaeCoenobium (morphology)CoenocyticCoenonia (slime mold)Colony (biology)ColumellomycetidaeComatrichaceaeCommon descentConicocassisConosaContractile vacuoleCorallomyxaCoremiosteliumCornuapyxisCorycidiaCribariidiaCribrariaceaeCribrarialesCristaCryptodifflugiidaeCryptogamCryptomonadCucurbitellidaeCutoseaCyanelleCylindrifflugiidaeCytoplasmCytosolCytostomeDMC1 (gene)DactylopodidaDarbyshirellaDermamoebidaDermamoebidaeDetritivoreDevelopmental biologyDianemataceaeDiaphoretickesDiatomDiatomsDictyamoebaDictyosteliaceaeDictyostelialesDictyostelidDictyosteliidaDictyostelium discoideumDidymiaceaeDifflugiidaeDikaryonDinocystDinoflagellateDinokaryonDiphylleidaDiscamoebidaeDiscobaDiscoseaDistomatopyxidaeDomain (biology)EchinamoebidaEchinamoebidaeEchinosteliaceaeEchinostelialesEchinosteliidiaEchinosteliopsidaceaeEchinosteliopsidalesElardiaEllipsopyxellaEllipsopyxisEncephalitisEntamoebaEntamoeba histolyticaEntamoeba invadensEntamoebidaErugomiculaEuamoebidaEuglenidEuglenozoaEuglyphaEuglypha ciliataEuglyphidaEukaryoteEukaryotesEukaryoticEulobosiaEumycetozoaEvoseaExcavataExtrusomeEyespot apparatusFertilizationFilamoebaFilosaFimbria (bacteriology)FlabelliniaFlabellulidaeFlagellateFlagellumFlamellidaeForaminiferaFractovitellidaFrenopyxisFrustuleFrustulesFungiFungusFélix DujardinGeamphorellaGenomeGeoplagiopyxisGeopyxellaGephyramoebidaeGibbodiscusGlaucophyteGliding motilityGlycosomeGoceviidaeGranulomatous amoebic meningoencephalitisGreen algaeGromiaGromiidaHacrobiaHaptistaHaptophyteHartmannellidaeHartmanniaHeleoperidaeHeliamoebaHeliozoaHeterokaryonHeteroloboseaHeterotrophyHimatismenidaHolomastigidaHolomycotaHolozoaHomologous recombinationHomology (biology)HoogenraadiaHyalosphenia papilioHyalospheniidaeHydrogenosomeHyphalIdionectidaeInfusoriaIschnamoebaJungiaKelleromyxaceaeKeratitisKinetoplastKinetoplastidLagenodifflugiaLamina (algae)LamprodermataceaeLamptopyxisLamptoquadrulaLamtopyxidaeLegionellaLeptochlamysLeptomyxidaLeptomyxidaeLesquereusidaeLiceaceaeLicealesLineage (evolution)LoboseaLorica (biology)Lourens Baas BeckingLucisporomycetidaeLudwig Karl SchmardaLynn MargulisMLH1MRE11AMSH2MacrocystMacronucleusMaghrebiaMalamoebaMalpighamoebaMantamonadidaMassisteriaMastigamoebidaMastigonemeMastigont systemMayorellaMayorellidaeMeiosisMeisterfeldiaMeridermataceaeMeridermatalesMesomycetozoeaMicrobial biogeographyMicrobial cystMicrobial ecologyMicrobiologistMicrobiologyMicrochlamyiidaeMicrocoryciaMicrocoryciidaeMicrofilamentsMicroglomusMicrometreMicronemeMicronucleusMicroquadrulaMicroscopic scaleMicrotubuleMicrotubulesMicrovillusMississippiellidaeMitosisMitosomeMixotrophyMolecular phylogeneticMonophyleticMorphology (biology)MucilageMulticellularMulticellular organismsMultinucleateMultinucleatedMyxogastriaMyxozoaNabranellaNaegleria fowleriNaegleria lustrareaNecrotrophyNetzeliidaeNeutrophilNew International EncyclopediaNolandellidaeNomenclature codesNuclear divisionNucleariaNucleariidNucleomorphObazoaOopyxisOpisthokontOpisthokontaOpisthokontsOrganelleOscillosignumOsmosisOsmotic pressureOsmotrophyOtto BütschliParacentropyxisParamoebidaeParaphyleticParaquadrulaParasitismParenchymatousParmulinaParvamoebidaePathogenPellitidaPellitidaePelobiontPelobiontidaPelomyxaPenardochlamysPentagoniaPercolozoaPeriplastPhaeodareaPhaeodariaPhagocytosisPhagomyxidaPhagotrophyPhalansteriumPhototrophyPhragmoplastPhryganellidaePhycobilisomePhycoplastPhylumPhysaraceaePhysaralesPhysochilaPhytomyxeaPinocytosisPit connectionPlagiopyxidaePlague (disease)PlanhoogenraadiaPlantsPlasma membranePlasmodiophoridPlasmodiophoridaPlasmodium (life cycle)PneumatocystPodiataPolyphyleticPolyploidPomoriellaPond lifePontigulasiaPrantlitinaProplagiopyxisProteomyxideaProtistProtistologyProtistsProtocucurbitellaProtoplagiopyxisProtoplasmProtosporangiidaProtosporangiidaeProtosteliidaProtozoaPseudawerintzewiaPseudonebelaPseudoparenchymaPseudopodPseudopodiaPseudothecamoebaPyrenoidRAD51RAD52Rad50RadiolariaRaperosteliaceaeRecombinaseRed algaeRed blood cellReproductionReticulariaceaeReticularialesReticulomyxa filosaRhabdamoebaRhizamoebidaeRhizariaRhizochromulinaRhizomastixRhoptryRigifilidaSAR supergroupSapocribridaeSaprotrophic nutritionScale (anatomy)SchizoplasmodiidaeSchizopyrenidaSchoenborniaSchoutedamoebaSensu strictoSexangulariaSexual reproductionShamkiriidaeSilicaSkeletonSlime moldSlime mouldSoliformoviidaeSolutesSorocarpSpo11SpongeSporoplasmSquamamoebidaeSquamocutidaStemonitidaceaeStemonitidalesStemonitidiaStenamoebidaeStereomyxaStramenopileStramenopilesStygamoebidaStygamoebidaeSubphylumSubulamoebaSuiadifflugiaSupergroup (biology)SynapsisSynchromaSyncytialSynsteliumSyringammina fragilissimaTasmaniomyxaTaxonTaxonomy (biology)Test (biology)Testate amoebaTestate amoebaeThallophyteThecaThecamoebidaThecamoebidaeThecochaosThomas Cavalier-SmithTissue (biology)TonicityTotipotentTriaenamoebaTrichiaceaeTrichialesTrichiidiaTrichocystTricholimaxTrichosidaTrichosphaeriidaeTrigonopyxidaeTrigonopyxisTrophozoiteTubulineaUnda (protist)UnicellularUnicellular organismUninucleateVacuoleVampyrella lateritiaVampyrellidaVannellidaVannellidaeVarioseaVermamoebidaeVesicle (biology and chemistry)VexilliferidaeViridiplantaeWailesellaWhite blood cellsWikisourceXenophyophoreXenophyophoreaZonomyxaZooflagellateZygnematophyceae
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