Hymenolepis nana

• Shape of H. nana eggs

  Roundish to oval
• Shell of H. nana egg consists of:

  Complete polar thickening with numerous polar filaments
• Color of H. nana eggs embryophore

  Colorless
• Once the eggs are passed out, they die immediately
• What is the shape of the hooks of H. nana rostellum?

  Y-shaped hooks
• Describe the rostellum of H. nana worms?

  Short
• The proglottids of H. nana is typically rectangular.
• Appearance of the gravid proglottids of H. nana worms?

  Saclike uterus filled with eggs
• What is the diagnostic stage of H. nana?

  Embryonated eggs
• What is the infective stage of H. nana?

  Embryonated eggs
• MOT of H. nana is:

  Ingestion
• What are the definitive hosts of H. nana?

  Rats and humans
• What are the transport hosts of H. nana?

  Fleas, beetles, and house mice
• Autoinfection of H. nana can occur when eggs remain in the intestines.
• Why are proglottids of H. nana worms not usually demonstrated in DFS?

  Degeneration prior to passage with stool
• Drug of choice for H. nana:

  Praziquantel
• Alternative drug of choice for H. nana:

  Niclosamide