Medical Microbiology

10 Helminths

J.Eckert

Helminths(helmins:worm)areparasiticmetazoansfromthephylaPlaty-

helmintha (flatworms), Nematoda (roundworms), and Acanthocephala

(thorny-headedworms).Theorganismsinthislastphylumareoflittle

significanceashumanparasites.Table 1 0. 1 ,p. 545 providesataxonomic

overviewofthegroupscoveredinthetext.

543

EggsandLarvaeofImportantHelminths

Fig. 1 0. 1 Differentialdiagnosisoftheeggsofimportanthelminths(trematodes,

cestodes,andnematodes)andofthelarvaeofStrongyloidesstercoralis.Note:

imagesarenottothesamescale!(ImagesofHymenolepisandEnterobius:H.Mehl-

horn,Du ̈sseldorf.)

10

Kayser, Medical Microbiology © 2005 Thieme