Medical Microbiology

Occurrence.Variousformsofleishmaniosesoccurinthewarmerregionsof 88 countriesinAsia,Africa,Europe(Mediterraneancountries!),andLat ...

Leishmania 495 Table9. 4 SelectedFormsofLeishmaniosesinHumans (L.:subgenusLeishmania,V.:subgenusViannia) Visceralleishmanioses^1 ...

host,theybindhostcomponentstotheirsurface(IgM,complement,erythro- cytereceptor)and,thusequipped,coupletomacrophagereceptors.They ...

Leishmania 497 Leishmaniainfantum:LifeCycle 5 1 2 3 7 4 6 Fig.9.9 1Inoculationofpromastigotestagesbysandfly; 2 ingestionofparasi ...

mononuclearphagocyticsysteminvariousorgans(spleen, liver,lymph nodes,bonemarrow,bloodmonocytes,etc.),causinginfectionsthatarenor ...

EntamoebahistolyticaandOtherIntestinalAmebas 499 insmearsorexcisedspecimensfromtheedgesoftheskinlesions.Morere- liably,theparasi ...

Parasites.ThecausativeagentofamebosisisthepathogenicE.histolytica. ThisspeciesismorphologicallyidenticalwiththeapathogenicE.disp ...

EntamoebahistolyticaandOtherIntestinalAmebas 501 Entamoebahistolytica:LifeCycle 1 2 3 4 4a 5 6 7 4b 9 Kayser, Medical Microbiolo ...

inallesionsinexperimentalanimals.E.disparadherestohostcellsinvery muchthesamewayasE.histolytica,butitproducesonlyverysmallamount ...

— Theinvasiveintestinalformresultsfromtheinvasionoftheintestinal wallbythepathogenicE.histolyticaandreflectslargeintestinediseas ...

— Differentialdiagnosis.ItisimportanttodifferentiatetheE.histolytica/E. disparcomplexfromintestinalepithelia,granulocytes,macrop ...

EntamoebahistolyticaandOtherIntestinalAmebas 505 (^3) Fig.9. 11 aGiardiaintestinalis(pathogenic): trophozoites: 9–21!5–1 2 lm; c ...

— DifferentiationofE.histolyticaandE.dispar.AnewtypeofPCRisnow usedinspecializedlaboratoriesthatfacilitatesdirectdetectionofthes ...

Naegleria,Acanthamoeba,andBalamuthia Causativeagentsofnaegleriosis,acanthamebosis,andbalamuthiosis Free-livingamebaofthegeneraNa ...

Toxoplasmagondii Causativeagentoftoxoplasmosis &Toxoplasmagondiiis thecausativeagentofazoonosisthatoccurs worldwidewithhighp ...

contributestoparasitepenetrationintohostcells.Thenucleusislocatedin theposteriorhalfofthecell.Morerecentinvestigationshavereveal ...

withintwotofourdays,producingtwosporocystswithfoursporozoiteseach. Sporulatedoocystsareinfectiveforhumansandanimals. Lifecycle.T ...

Toxoplasmagondii 511 Toxoplasmagondii:LifeCycle a b c 11 10 9 8b 12 a 12 b 7 8a 6 5 4 3 2 1 13 Fig.9. 13 aDevelopmentinthedefini ...

Immunity.VariousToxoplasmaantigensinducehumoralandcellularim- muneresponseswhich,followingaprimaryinfection,resultinantibodypro- ...

infull-blownAIDSstage),forexample,withmultiplecoagulativenecroses, small-focushemorrhages,andsurroundingedema.Otherorgansystems ...