CESTODES

• What are the two main groups of cestodes mentioned?

  Cyclophyllidea and Pseudophyllidea
• What is the term for the head of a tapeworm?

  Scolex
• What are the reproductive characteristics of cestodes?

  Hermaphroditic, ovo-viviparous, and oviparous
• What is the term for the segments of a tapeworm?

  Proglottids
• What is the developmental stage of a tapeworm before it becomes an adult?

  Encysted larva
• What is the host requirement for cestodes?

  They require a definitive host for maturation
• What is the new name for Diphyllobothrium latum?

  Dibothriocephalus latus
• How many segments can Diphyllobothrium latum produce?

  Up to 3000 segments
• What is the length range of Diphyllobothrium latum?

  3-10 meters long
• What shape is the uterus of Diphyllobothrium latum?

  rosette uterus
• What distinguishes Taenia solium from Taenia saginata?

  Taenia solium has rostellum and hooks
• How many segments does Taenia solium produce?

  800-1000 segments
• What is the appearance of the uterus in Taenia solium?

  Cylindrical trunk with lateral branches
• What is unique about the mature segments of Taenia solium?

  Equipped with accessory ovarian lobe
• How many segments does Taenia saginata produce?

  1000-2000 segments
• What is the uterus appearance in Taenia saginata?

  Cylindrical trunk with lateral branches
• What is the segment shape of Hymenolepis nana?

  Broader than long segments
• What does "craspedote" refer to in Hymenolepis nana?

  Segments are broader than long
• What type of uterus does Hymenolepis nana have?

  Saccular or tubular uterus
• What is unique about Dipylidium caninum segments?

  Segments are individually shaped like grains
• How many sets of reproductive organs does Dipylidium caninum have?

  Two sets of reproductive organs
• What type of genital pores does Dipylidium caninum have?

  Bilateral genital pores
• What is the diagnosis method for intestinal cestodiasis?

  Stool exam
• What is the infective stage associated with Diphyllobothrium latum?

  Eggs
• What disease is associated with Taenia solium?

  Taeniasis
• What disease is associated with Taenia saginata?

  Taeniasis
• What disease is associated with Hymenolepis nana?

  Hymenolepiasis
• What disease is associated with Hymenolepis diminuta?

  Hymenolepiasis
• What disease is associated with Dipylidium caninum?

  Dipylidiasis
• What are the characteristics of intestinal cestodes?

  • Man harbors the adult form
  • Serves as definitive host
  • Diagnosis through stool examination
• What are the morphological differences among the species of cestodes mentioned?

  • Diphyllobothrium latum: broader segments, Y-shaped uterus
  • Taenia solium: longer segments, cylindrical trunk with lateral branches
  • Taenia saginata: longer segments, cylindrical trunk with lateral branches
  • Hymenolepis nana: broader segments, saccular uterus
  • Hymenolepis diminuta: segments with rostellum, no hooks
  • Dipylidium caninum: segments shaped like grains, bilateral genital pores
• What are the infective stages and associated diseases of the cestodes?

  • Diphyllobothrium latum: Eggs
  • Taenia solium: Taeniasis
  • Taenia saginata: Taeniasis
  • Hymenolepis nana: Hymenolepiasis
  • Hymenolepis diminuta: Hymenolepiasis
  • Dipylidium caninum: Dipylidiasis
• What are the two main groups of cestodes mentioned?

  Cyclophyllidea and Pseudophyllidea
• What is the term for the head of a tapeworm?

  Scolex
• What are the two types of proglottids mentioned?

  Gravid and immature proglottids
• What reproductive strategy do cestodes exhibit?

  Hermaphroditic
• What type of eggs do some cestodes produce?

  Ovo-viviparous and oviparous
• What is the term for a larva that is encysted?

  Encysted larva
• What is the host requirement for cestodes?

  They require specific hosts to complete their life cycle
• What is the new name for Diphyllobothrium latum?

  Dibothriocephalus latus