Fasciolopsis buski (Giant Intestinal Fluke) – Adult

  • Disease: Fasciolopsiasis
  • Habitat in human: Small intestine
  • Definitive host: Humans and pigs
  • 02 Intermediate hosts: Snails and aquatic vegetation
  • Diagnosis of infection: Microscopic examination of faeces to detect eggs
Morphological Features
  • Size: 20-75 mm in length and a width of 8-20 mm – Largest intestinal fluke of human
  • Flattened and leaf-shaped, with a spiny tegument covering body
  • Has oral sucker and an acetabulum. But no oral cone or shoulders
  • No lateral branches in intestinal caeca
  • Hermaphrodite
  • Testes: 02 heavily branched testes, one behind other; in posterior 2/3rd of body behind ovary
  • Ovary: fan-shaped, situated close to acetabulum
  • Vitelline glands: Greatly branched, located along lateral margin of body

Magnification x4