Dwarf tapeworm

• Phylum: Platyhelminthes

  Class: Cestoda

  Order: Cyclophylliidae

  Family: Hymenolepididae

  Scientific name: Hymenolepis nana

  Common name: Dwarf tapeworm
• Proglottid

  A) Proglottid

  B) Seminal receptacle

  C) testes

  D) ovary

  E) genital pore

  
• Egg

  A) Hooks

  B) Polar filaments

  C) polar thickening

  
• Life cycle

  1. Eggs in human or rodent feces
  2. Oncosphere and cysticercoid in arthropods
  3. Adult tapeworm in humans