Cestode Overview

Question 1

What are the 2 types of Cestodes?

Answer 1

Cotyloda (Pseudotapeworms)
Eucestoda (True)

Question 2

Cestodes are Segmented. What are the BASIC external parts?

Answer 2

Neck (Contains a Germinal Region) and Strobilia (Body)

Question 3

What are the identical sections or “segments” of the cestode body called?

Answer 3

Proglottids

Question 3

Cestodes are Hermaphroditic. What does this mean?

Answer 3

Each Cestode contains the male and female reproductive organs necessary for self/cross fertilization.

Question 4

In what manner do Cestodes mature?

Answer 4

Front to Back

Question 5

Cotyloda attach with what structure?

Answer 5

Bothria (different from Suckers)

Question 6

Eucestoda attach with what structure?

Answer 6

The Scolex which contains Suckers and Hooks (Rostellum)

Question 7

Larval Stage

Answer 7

Hexacanth (6 hooks)

Question 8

What are the 4 Cestode Egg Types?

Answer 8

Pyriform Apparatus
Dipylidium
Taenia
Pseudophyllidean

Question 9

What are the two Cestode lifecycles

Answer 9

Cotyloda (Pseudo)
Eucestode (True)

Question 10

How does the Cotdyloda lifecycle begin?

Answer 10

Eggs are passed individually

Question 11

How does the Eucestode lifecycle begin?

Answer 11

Gravid Proglottids are passed