cestodes

• What is the common name for Echinococcus granulosus?

  Common hydatid worm
• What is another name for Echinococcus granulosus?

  Dog tapeworm
• What is the scolex type of Echinococcus granulosus?

  Pyriform scolex
• How many suckers does the scolex of Echinococcus granulosus have?

  Four suckers
• What is unique about the scolex of Echinococcus granulosus?

  It is armed with 30-36 hooks
• What is the characteristic of the gravid proglottid of Echinococcus granulosus?

  It is the widest and longest proglottid
• Where is the uterus located in Echinococcus granulosus?

  Midline with lateral evaginations
• What does the uterus of Echinococcus granulosus contain?

  Filled with eggs resembling taenioid worms
• What do the ova of Echinococcus granulosus resemble?

  Other taenioid worms
• What is the habitat of Echinococcus granulosus?

  Small intestine of canines
• How is Echinococcus granulosus transmitted?

  Ingestion of embryonated egg from dog feces
• What is the diagnostic stage of Echinococcus granulosus?

  Hydatid cyst
• What is the infective stage of Echinococcus granulosus?

  Embryonated egg
• Who are the first intermediate hosts of Echinococcus granulosus?

  Sheep, goat, swine
• Who is the definitive host of Echinococcus granulosus?

  Dogs and other Canidae, humans