Medical Microbiology

574 10 Helminths DespitethefrequentandwidespreadoccurrenceofE.multilocularisinfoxes, theincidenceofAEinhumansiscurrentlylow.Stat ...

Platyhelmintha(syn.Platyhelminthes) 575 EchinococcusvogeliandE.oligarthrus Causativeagentsofpolycysticechinococcosis Thesetwospe ...

576 10 Helminths intestineofhumansandfish-eatingmammalssuchaspigs,dogs,andcats. Theparasitehastwoelongatedgrooves(bothria)onitsh ...

Nematoda(Roundworms) 577 yearsandcanbeactivatedinresponsetoimmunodeficiencyanddevelopinto life-threateningsystemicinfections.Car ...

578 10 Helminths Epidemiology.Reservoirhostsoftheparasitearehumans.Theexcretedeggs remainviableforyearsinamoistenvironment(soil) ...

Nematoda(Roundworms) 579 tlingandprominenceofperibronchialregionsinradiographs(Lo ̈fflersyn- drome).Bloodeosinophiliaisoftenconc ...

580 10 Helminths Followingperoralingestionofinfectiveeggs,thelarvaehatchinthedi- gestivetract,migrateintothemucosa,andreturntoth ...

Nematoda(Roundworms) 581 totwodaysthefirst-stagelarvaeleavetheeggshells,molttwice,anddevelop intoinfectivethird-stagelarvae.Sinc ...

582 10 Helminths soil,etc.Whilepenetratingtheskinthelarvaeshedtheirsheathsandmigrate intolymphaticandbloodvessels.Onceintheblood ...

Nematoda(Roundworms) 583 gyloidesfuelleborniismainlyaparasiteofAfricanmonkeys,butisalsofound inhumans. Morphology,lifecycle,ande ...

584 10 Helminths Givencertainconditions,thefirst-stagelarvaecandevelopintoafree-living (nonparasitic)generationofmalesandfemales ...

Nematoda(Roundworms) 585 Serumantibodiesarepresentinabout 85 %ofimmunocompetentpersons withS.stercoralislarvaeintheirstools(Tabl ...

586 10 Helminths everydayuseoraredisseminatedwithdust.Intheintestinaltract,larvae hatchfromtheingestedeggs,moltrepeatedly,anddev ...

Nematoda(Roundworms) 587 NematodalInfectionsofTissuesandtheVascularSystem Filarialnematodes,theMedinaworm,andTrichinellaarediscu ...

588 10 Helminths LifeCycleofFilariae Insect:!Ingestionofmicrofilariawithabloodmeal!developmentinthoracic musculaturewithtwomolti ...

Nematoda(Roundworms) 589 Table 1 0. 4 FilarialSpeciesCommonlyInfectingHumans Speciesand length(cm) Distribution Vector Localizat ...

590 10 Helminths &Chronicsymptomaticinfection:chronicobstructivechangesinthelym- phaticsystem!hindranceorblockageoftheflowof ...

Nematoda(Roundworms) 591 NematodeInfections 10 Kayser, Medical Microbiology © 2005 Thieme ...

592 10 Helminths MicrofilariaeofVariousFilarialSpecies 1a 1 2 2a 3 3a 4a 4 5 5a Loa loa Wuchereria bancrofti Brugia malayi Manso ...

Nematoda(Roundworms) 593 mectin)are 99 %effectiveinremovingmicrofilariaefromthebloodforone yearaftertreatment.Mass-treatmentwith ...