Tapeworms Part 1 Flashcards
List the 4 general characteristics of tapeworms
1) flattened body shape
2) no body cavity
3) hermaphroditic
4) incomplete digestive tract
Name the phylum of tapeworms
Platyhelminthes
Name the class of tapeworms
Cestoda
What order is considered “true tapeworms”
Cyclophyllidea
What order is considered “false tapeworms”
Pseudophyllidea
Name 3 important genera of cyclophyllidea cestodes
1) taenia
2) echinoccocus
3) dipylidium
Name two examples of genera of pseudophyllidea
Diphyllobothrium and spiropmetra
Describe the anterior end of the pseudophyllidean tapeworm
Almond shaped scolex
Describe the anterior end of cyclophyllideans
Have at least 2 suckers, hooks, and a rostellum
What are the differences between the reproductive systems of the pseudophyllidea and cyclophyllidea
Pseudophyllidea have a uterine pore, testis, and an ovary, more rectangular shaped
Cyclophyllidea have a genital pore, cirrus sac, yolk reservoir, ovary, uterus, and testis, more square shaped
Note the differences between cyclophyllidea and cyclophyllidea gravid proglottids
Pseudophyllidea: horizontal rectangular shape, only contains uterus
Cyclophyllidea: vertical retangular shape, uterus, gential pore
Taenia solium is also called _______
An armed tapeworm because they have hooks around the rostellum
T or F: Taenia saginata and Taenia solium both infect humans and animals
True
T or F: Taenia saginata have hooks
False, they lack hooks