Cestodes Large Animal

Question 1

What are the eucestodes in large animals?

Answer 1

Taenia saginata
Taenia solium

Question 2

What are the hosts of Taenia saginata

Answer 2

Definitive: human
Intermediate: cattle

Question 3

What is the lifecycle of Taenia saginata?

Answer 3

Eggs are passed by definitive host & ingested by intermediate. Eggs hatches and oncosphere enters the blood, then enters muscle where it encysts. Definitive host eats intermediate host and encysted larva matures to adult and attaches to large intestine. Intermediate host gives back to human if human eats the infected animal

Question 4

How do you diagnose Taenia saginata?

Answer 4

Human: fecal floatation

Question 5

What is the zoonotic potential of Taenia saginata?

Answer 5

reverse zoonosis (human -> animal). Ingesting poorly cooked beef

Question 6

Which tapeworm is the beef tapeworm?

Answer 6

Taenia saginata

Question 7

Which tapeworm is the pork tapeworm?

Answer 7

Taenia solium

Question 8

What are the hosts of Taenia solium?

Answer 8

Definitive host: human
Intermediate: pigs & humans

Question 9

What is the zoonotic potential of Taenia Solium

Answer 9

Undercooked pork. Ingestion of egg from environment & touching mouth

Question 10

What is the lifecycle of Taenia solium?

Answer 10

Proglottid is passed and disintegrates, releasing eggs. Egg is ingested and hatches into cysticercus form. Goes to muscles of pigs and other tissues. Definitive eats intermediate where it matures to adult and attaches to small intestine.

Question 11

How do you diagnose Taenia Solium?

Answer 11

Fecal floatation