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Helminths & Diseases

Helminths include the animals belonging to the Phylum Platyhelminthes and Phylum Nemathelminthes. Phylum Platyhelminthes are triploblastic, bilaterally symmetrical, dorso ventrally flattened, acoelomate flat worms with organ grade of construction .Platyhelminthes includes the class tremetodes and cestodes. Phylum nemathelminthes are pseudo coelomate, bilaterally symmetrical, tryploblastic, unsegmented vermiform, organ grade of construction.  Nemathelminthes includes the class nematodes.


Many of the parasitic forms of helminthes are popularly known as parasitic worms.  These are the endoparasites of the gut and blood in human and cause various diseases collectively called helminthiasis.

The following three types of helminthiasis are most common and wide spread.
  •     Trematodiasis
  •     Cestodiasis
  •     Nematodiasis
Diagnostic Procedures | Helminths | Introduction to parasitology | Medical Parasitology | Protozoology