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1. Malaria
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2. Life Cycle of Plasmodium in Mosquito (With Diagram)
TopMenuBiologyDiscussion.comFollowUsOn:FacebookTwitterGooglePlusPublishNowNavigationHomeStaticMainMenuHomeQuestionsandAnswersForumShareYourKnowledgeContentQualityGuidelinesDisclaimerPrivacyPolicyContactUsReturntoContentArticleSharedbyADVERTISEMENTS:ReadthisarticletolearnaboutLifeCycleofPlasmodiuminMosquito!SystemicPositionKingdom:AnimaliaADVERTISEMENTS:Phylum:ProtozoaClass:SporozoaOrder:HaemosporidiaGenus:PlasmodiumADVERTISEMENTS:Species:VivaxMalariaisoneofthemostwidelyknowndiseasessincetimeimmemorial.Itiscausedbyapathogenicprotozoanofblood,Plasmodium.FourspeciesofPlasmodium,viz.,P.vivax,P.falciparum,P.malariaeandP.ovalearesofarknowntoinfecthumanbeingscausingdifferenttypesofmalaria.FemaleAnophelesmosquitoservesasthecarrierorvectorhostsandtransmitsplasmodiumfrompersontoperson.PlasmodiumisanintracellularparasiteinRBCsofman.Itisalsoreportedfrombirds,reptilesandvariousmammals.Plasmodiumiswidelydistributedintropicalandtemperatecountriestheworldover.Plasmodiumvivaxrequirestwohoststocompleteitslifecycle-aprimaryordefinitehostandasecondaryorintermediatehost.Suchatwohostlifecycleisdigenetic.IntermediatehostisfemaleAnopheles.Inhumanbodytheparasitemultipliesasexuallywhileinfemaleanophelesitundergoesasexualcyclefollowedbyanasexualmultiplicationcalledsporogony.Asexualcycleinman:ThenormaladultortrophozoitephaseofplasmodiumoccursinRBCsofhumanbeings.Theparasitefirstinvadesthelivercellsforasexualmultiplication.Thelifecycleofplasmodiuminmaniscanbestudiedunderthefollowingheads:(i)Exoerythrocyticcycle:WhenanAnophelesmosquitobitesahumantosuckblood.PlasmodiumisinoculatedintohumanbloodintheformofaminuteinfectivestagecalledSporozoites(fig.9.3).Theinjectedsporozoitesinvadethehepatocytecellsintheliver.Inthelivercell,asporozoiteactivelyfeedsonitscytoplasmandgrowsintoalarge(about45indiameter)andsphericaladultlikeformcalledcryptozoite.Thisformmultiplyintothousandsofcryptomerozoitesbymultiplefissioncalledschizogony(exoerythrocyticschizogony).Insuchamultiplicationrepeatednucleardivisionsfirstresu
3. Learning Unit 8. Examining blood films for malaria parasites
These are clearly seen in the diagram that follows. ... Plasmodium falciparum: the commonest species in the hotter parts of the world and responsible for ... Homepage | Aboutthislibrary | Help | Clear English | French | Spanish Search | Topics | TitlesA-Z | Organizations | Keywords ExpandDocumentExpandChapterFullTOCPreferencesPrintableversionExportdocumentasHTMLfileHelpExportdocumentasPDFfileBasicMalariaMicroscopy(partIandII)(WHO;1991;72pages)PrefaceIntroductionLearningUnit1.Malaria,thediseaseLearningUnit2.CleaningandstoringmicroscopeslidesLearningUnit3.KeepingaccuraterecordsLearningUnit4.BloodfilmsLearningUnit5.StainingbloodfilmswithGiemsastainLearningUnit6.ThemicroscopeLearningUnit7.ExaminingbloodfilmsLearningUnit8.ExaminingbloodfilmsformalariaparasitesLearningUnit9.ArtefactsinbloodfilmsLearningUnit10.RoutineexaminationofbloodfilmsformalariaparasitesLearningUnit11.LifecycleofthemalariaparasiteLearningUnit12.SupervisoryaspectsofmalariamicroscopyBackCover LearningUnit8.ExaminingbloodfilmsformalariaparasitesLearningobjectivesBytheendofthisUnityoushouldbeableto:•namethevariouspartsofthemalariaparasite•distinguishmalariaparasitesinthinbloodfilms,andrecognizeandnamethethreestagesoftrophozoite,schizontandgametocyte•distinguishbetweenthemalariaspecies,andrecognizeandnamethestageandspeciesofmalariaparasiteseeninthinbloodfilms•distinguishbetweenthemalariaspecies,andrecognizeandnamethestageandspeciesofparasiteseeninthickbloodfilms.RecognitionofamalariaparasiteMalariaparasitestakeupGiemsastaininaspecialwayinboththickandthinbloodfilms.Youmustbeabletodistinguishthevariouspartsoftheparasite,asshowninthediagramthatfollows.PartsofamalariaparasiteinsidearedbloodcellMalariaparasitespassthroughanumberofdevelopmentalstages.Inallstages,however,thesamepartsoftheparasitewillstainthesamecolour:•Chromatin(partoftheparasitenucleus)isusuallyroundinshapeandstainsadeepred.•Cytoplasmoccursinanumberofforms,fromaringshapetoatotallyirregularshape.Italwaysstainsblue,althoughthesha
4. Plasmodium
Plasmodium is a genus of unicellular eukaryotes that are obligate parasites of vertebrates and insects. The life cycles of Plasmodium species involve ...PlasmodiumFromWikipedia,thefreeencyclopediaJumptonavigationJumptosearchGenusofparasiticprotiststhatcancausemalariaForthemultinucleatestageofsomemicroorganisms,seePlasmodium(lifecycle).PlasmodiumFalse-coloredelectronmicrographofasporozoiteScientificclassification(unranked):DiaphoretickesClade:TSARClade:SARInfrakingdom:AlveolataPhylum:ApicomplexaClass:AconoidasidaOrder:HaemospororidaFamily:PlasmodiidaeGenus:PlasmodiumMarchiafava&Celli,1885Plasmodiumisagenusofunicellulareukaryotesthatareobligateparasitesofvertebratesandinsects.ThelifecyclesofPlasmodiumspeciesinvolvedevelopmentinablood-feedinginsecthostwhichtheninjectsparasitesintoavertebratehostduringabloodmeal.Parasitesgrowwithinavertebratebodytissue(oftentheliver)beforeenteringthebloodstreamtoinfectredbloodcells.Theensuingdestructionofhostredbloodcellscanresultindisease,calledmalaria.Duringthisinfection,someparasitesarepickedupbyablood-feedinginsect(mosquitoesinmajoritycases),continuingthelifecycle.[1]PlasmodiumisamemberofthephylumApicomplexa,alargegroupofparasiticeukaryotes.WithinApicomplexa,PlasmodiumisintheorderHaemosporidaandfamilyPlasmodiidae.Over200speciesofPlasmodiumhavebeendescribed,manyofwhichhavebeensubdividedinto14subgenerabasedonparasitemorphologyandhostrange.EvolutionaryrelationshipsamongdifferentPlasmodiumspeciesdonotalwaysfollowtaxonomicboundaries;somespeciesthataremorphologicallysimilarorinfectthesamehostturnouttobedistantlyrelated.SpeciesofPlasmodiumaredistributedgloballywhereversuitablehostsarefound.InsecthostsaremostfrequentlymosquitoesofthegeneraCulexandAnopheles.Vertebratehostsincludereptiles,birds,andmammals.Plasmodiumparasiteswerefirstidentifiedinthelate19thcenturybyCharlesLaveran.Overthecourseofthe20thcentury,manyotherspecieswerediscoveredinvarioushostsandclassified,includingfivespeciesthatregularlyinfecthumans:P.vivax,P.falciparum,P.malariae,
5. Diagram Of Plasmodium Structure Stock Illustration
Download this Diagram Of Plasmodium Structure vector illustration now. And search more of iStock's library of royalty-free vector art that ...iStockDiagramOfPlasmodiumStructureStockIllustration-DownloadImageNowDownloadthisDiagramOfPlasmodiumStructurevectorillustrationnow.AndsearchmoreofiStock'slibraryofroyalty-freevectorartthatfeaturesHealthcareAndMedicinegraphicsavailableforquickandeasydownload.Product#:gm1008662742$13.00iStockInstockVectorsImagesPhotosIllustrationsVectorsVideoSearchbyimageDiagramofPlasmodiumstructurestockillustration...SaveDiagramofPlasmodiumstructurePlasmodiumisanintracellular,parasitesofvertebratesandinsects(mosquito)thatcausesthediseasemalaria.DiagramofPlasmodiumstructure.vectorillustrationformedical,educationalandscienceuseHealthcareAndMedicinestockvectorDescriptionPlasmodiumisanintracellular,parasitesofvertebratesandinsects(mosquito)thatcausesthediseasemalaria.DiagramofPlasmodiumstructure.vectorillustrationformedical,educationalandscienceuse1creditEssentialscollectionEverydayphotosandillustrations,forjust1credit.$13forthisimageSave$9.00perimage*10Essentialsimages,1-monthplan—$40ContinuewithpurchaseViewplansandpricingEditthisillustrationIncludesourstandardlicense.Addanextendedlicense.Credit:ttszLargestsize:Vector(EPS)–ScalabletoanysizeStockillustrationID:1008662742Uploaddate:July28,2018Categories:StockIllustrations|HealthcareAndMedicine*SavingsbasedonasingleEssentialsimagefor$13.KeywordsHealthcareAndMedicineIllustrationsPlasmodiumIllustrationsAnatomyIllustrationsAnophelesMosquitoIllustrationsBacteriumIllustrationsBiologicalCellIllustrationsBiologyIllustrationsBitingIllustrationsBloodIllustrationsCellOrganelleIllustrationsChronicIllnessIllustrationsClose-upIllustrationsCycle-VehicleIllustrationsDiagramIllustrationsEpidemicIllustrationsHealthyLifestyleIllustrationsHorizontalIllustrationsIllnessIllustrationsSeeallBrowsetopillustrationcategoriesNatureillustrationsJobillustrationsPetillustrationsBusinessillustrationsScienceillustrationsRetroillustr
6. Malaria parasite life cycle
Malaria infection begins when an infected female Anopheles mosquito bites a person, injecting Plasmodium parasites, in the form of sporozoites, into the ...SkiptomaincontentHomeMalaria&vaccinesMalariaparasitelifecycleMalariaparasitelifecycleManyfactorsmakemalariavaccinedevelopmentchallenging.ThemalariaparasitedevelopsbothinhumansandinthefemaleAnophelesmosquitoes.Thesizeandgeneticcomplexityoftheparasitemeanthateachinfectionpresentsthousandsofantigens(proteins)tothehumanimmunesystem.Theparasitealsochangesthroughseverallifestagesevenwhileinthehumanhost,presentingdifferentantigensatdifferentstagesofitslifecycle.Understandingwhichofthesecanbeausefultargetforvaccinedevelopmenthasbeencomplicated.Inaddition,theparasitehasdevelopedaseriesofstrategiesthatallowittoconfuse,hide,andmisdirectthehumanimmunesystem. Malariainfectionbeginswhenaninfectedfemale Anopheles mosquitobitesaperson,injecting Plasmodium parasites,intheformofsporozoites,intothebloodstream. Thesporozoitespassquicklyintothehumanliver. Thesporozoitesmultiplyasexuallyinthelivercellsoverthenext7to10days,causingnosymptoms. Inananimalmodel,theparasites,intheformofmerozoites,arereleasedfromthelivercellsinvesicles,journeythroughtheheart,andarriveinthelungs,wheretheysettlewithinlungcapillaries.Thevesicleseventuallydisintegrate,freeingthemerozoitestoenterthebloodphaseoftheirdevelopment.* Inthebloodstream,themerozoitesinvaderedbloodcells(erythrocytes)andmultiplyagainuntilthecellsburst.Thentheyinvademoreerythrocytes.Thiscycleisrepeated,causingfevereachtimeparasitesbreakfreeandinvadebloodcells. Someoftheinfectedbloodcellsleavethecycleofasexualmultiplication.Insteadofreplicating,themerozoitesinthesecellsdevelopintosexualformsoftheparasite,calledgametocytes,thatcirculateinthebloodstream. Whenamosquitobitesaninfectedhuman,itingeststhegametocytes,whichdevelopfurtherintomaturesexcellscalledgametes. Thefertilizedfemalegametesdevelopintoactivelymovingookinetesthatburrowthroughthemosquito'smidgutwallandformoocystsontheexteriorsurfac
7. Life Cycle of Plasmodium (With Diagram)
The primary causative organism, Plasmodium falciparum, requires both the Anopheles mosquito and humans to complete its life cycle. The sexual cycle of the ...TopMenuBiologyDiscussion.comFollowUsOn:FacebookTwitterGooglePlusPublishNowNavigationHomeStaticMainMenuHomeQuestionsandAnswersForumShareYourKnowledgeContentQualityGuidelinesDisclaimerPrivacyPolicyContactUsReturntoContentArticleSharedbyADVERTISEMENTS:Inthisarticlewewilldiscussaboutthelifecycleofplasmodiumwiththehelpofasuitablediagram.Theprimarycausativeorganism,Plasmodiumfalciparum,requiresboththeAnophelesmosquitoandhumanstocompleteitslifecycle.Thesexualcycleoftheprotozoanoccursinthemosquito.Immaturesporozoitesinthesalivaofthemosquitoaretransmittedtothehumanwhenthemosquitobitestheskintofeedonthebloodofman.Inthebodyofman,theparasitesreachtheliver,multiplyandenterthebloodwhereitattacksredbloodcellsfortheirhaemoglobin.Theredbloodcellsrupturetoreleasethemerozoitestoattackmoreredbloodcells.Haemozoin,atoxinisalsoreleasedwhentheRBCruptures.Thiscauseschillandhighfever.ADVERTISEMENTS:Someofthemerozoitesaretransformedintogametocyteswhicharesexuallymatureandaretransmittedbacktoanotherbitingmosquito.Inthemosquito,thegametocytesstartthesexualcycle.ThedetailsofthelifecycleissummarizedinFig.3.TheotherthreespeciesofPlasmodiumalsoinfecthumans.Thecyclesoffevercomingeverytwo(Plasmodiumfalciparum)orthreedays(Plasmodiumvivax)ariseduetothereleaseofthemerozoitesfromtheredbloodcells.Mammalssuchasbats,rodentsandprimatesotherthanmanaswellasbirdsandreptilesalsosufferfrommalaria.OnlyfemaleAnophelesmosquitoesareblood-feedersandthereforetransmitmalaria.Malescannottransmitthedisease.RelatedArticles:LifeCycleofPlasmodiuminMosquito(WithDiagram)HostsforCompletionofPlasmodiumLifeCycle(WithDiagram)Biology,Humans,Diseases,Malaria,Plasmodium,LifeCycleofPlasmodiumCentralDogmaofMolecularBiology(WithDiagram)|BiologyMaleReproductiveSystemofHumans(WithDiagram)|BiologyWelcometoBiologyDiscussion!Ourmissionistoprovideanonlineplatformtohelpstudentstosharenote
8. A diagram of Plasmodium , the causative agent of malaria ...
Download scientific diagram | A diagram of Plasmodium , the causative agent of malaria. The apical complex is characteristic of the organisms in the phylum ...Figure1-uploadedbyCharlotteOmotoContentmaybesubjecttocopyright.DownloadViewpublicationCopyreferenceCopycaptionEmbedfigureAdiagramofPlasmodium,thecausativeagentofmalaria.TheapicalcomplexischaracteristicoftheorganismsinthephylumApicomplexa. SourcepublicationInvestigatingthediversityofparasiticprotozoausingGregarineparasitesofinvertebrates.ArticleFull-textavailableJan2003CharlotteOmotoD.CartwrightContextsinsourcepublicationContext1...membersofthisphylum(previouslycalledSporozoa)areparasites.ThenameApicomplexaisderivedfromanultrastructuralfeaturecalledtheapicalcomplex(showninFigure1).Thisgroupincludesmanyprotozoanparasitesofmedicalandveterinaryimportanceincludingmalaria,Toxoplasma,andCryptosporidium....Viewinfull-textContext2...ofthephylumApicomplexaareallparasites.ThenameApicomplexacomesfromacomplexcytoskeletalstructurecalledtheapicalcomplex,whichcanbeseeninelectronmicrographs(Fig.1).Thisphylumincludesparasitesthatcausemajorhumanandanimaldiseasessuchasmalaria,coccidiosis,toxoplasmosis,etc.Theyhavecomplicatedlifecyclesthatincludedifferentcellsandorgansininvertebrateandvertebratehosts(Fig.2).Becauseofthis,andthefactthatmanyofthemaredangerousparasitesofhumans,itis...Viewinfull-textSimilarpublications+104.ParasiticProtozoaDataFull-textavailableNov2012CatherineM.YuleHoiSenYongOccurrenceofparasiticprotozoainwildwaterfowlinsoutherncoastalCaspiansealagoonsArticleFull-textavailableJan2014SinaFaghihzadehCitations...Changesinecologicalclusters#2inbothnetworks,linkedtoclimaticanomalies,mightinturnhavemultiplecascadingeffectsontherelativeabundanceofecologicalclusters#3inbothnetworks.BG#2ischaracterizedbypotentialparasite-hostinteractionsbetweenGregarinasp.andsoilarthropods(Omoto&Cartwright,2003),predator-preyinteractionsbetweenphylotypesfromphylumCercozoa(protist)andbacteria(SupportingInformatiomTableS1),andplant-fungalintera