Strobila

• What do you call the chain of segments in cestodes?

  Strobila
• What do you call the segment in cestodes?

  proglottids
• What are the 3 types of strobila?

  immature, mature, and gravid
• What type of strobila contains the reproductive organs NOT FULLY developed?

  Immature
• What type of strobila has AT LEAST one set of reproductive organs?

  Mature
• What type of strobila is FILLED WITH EGGS?

  Gravid
• What are the 2 types of gravid strobila?

  Apolytic and Anapolytic
• Which type of gravid proglottid detaches and leave with feces and disintegrate?

  Apolytic
• Which type of gravid proglottid has segments that stay attached to the body?

  Anapolytic
• Taenia saginata: shape is LONGER than BROAD
• Taenia solium: shape is LONGER than BROAD + somewhat SQUARE
• Taenia species: OVARY are 2 per row (bi-lobed)
• Taenia solium: TESTES 100-200
• Taenia solium: 100-200 TESTES
• Taenia saginata: vaginal sphincter
• Which species has no VAGINAL SPHINCTER?

  Taenia solium
• Describe the uterine pore of Taenia saginata?

  irregular alteration
• Describe the uterine pore of Taenia solium?

  regular alteration
• How many LATERAL BRANCHES do Taenia saginata have?

  15-30
• How many LATERAL BRANCHES do Taenia solium have?

  7-15
• Describe the lateral branches of T. saginata?

  dichotomous and tree-like
• Describe the lateral branches of T. solium?

  dendritic and finger-like
• What is this?

  Taenia saginata gravid segment

  
• What is this?

  Taenia solium gravid segment

  
• Hymenolepis species: shape is TWICE AS WIDE AS LONG
• What is this?

  Taenia species mature segment

  
• How many ovary do Hymenolepis species have?

  1 per row or succulate
• How many testes do Hymenolepis species have?

  3 per row or ovoid
• Describe the uterine pore of Hymenolepis species?

  Unilateral
• Which species has a GRAVID SEGMENT that is SACLIKE uterus filled with eggs?

  Hymenolepis species
• What is this?

  Hymenolepis species mature segment

  
• What is this?

  Hymenolepis species gravid segment

  
• Dipylidium caninum: shape is V-shaped, vase or barrel shaped
• How many ovaries do D. caninum have?

  2 large ovaries
• Describe the testes of D. caninum?

  not specified
• Dipylidium caninum: uterine pore is BI-LATERAL (DOUBLE PORED TAPEWORM)
• Dipylidium caninum: GRAVID segment is full of eggs in enclosed embryonic membrane (pumpkin-seed, cucumber-seed shape)
• Echinococcus granulosus: shape is LONGER than BROAD
• What is the shortest tapeworm?

  Echinococcus granulosus
• Size of e. granulosus?

  4.5mm