Hymenolepis nana (Dwarf Tapeworm)

  • Disease: Hymenolepiasis
  • Habitat in human: Small intestine – particularly ileum
  • Definitive host: Human, rodents
  • Intermediate host: Optional; if present, intermediate hosts are arthropods such as fleas and beetles
  • Diagnosis- Microscopic examination of faeces to detect eggs
  • Commonest cestode of human
Morphological Features of Scolex
  • Shape: Globular
  • Size: 3 mm in diameter
  • Four cup-shaped suckers
  • Retractable rostellum, with a single row of 20-30 hooks; hooks are spanner shaped

Magnification X10