Worms of humans,

Platyhelminthes are flatworms that are dorsoventrally Nattened in cross section and are (hermaphroditic)

All medically important species belong to

tapeworms, are flat and have a ribbon-like chain of segments (proglottids)

proglottids) containing______ reproductive structures

Adult tapeworms can reach lengths of

Posterior end of an adult tapeworm is the scolex

Adult tapeworms have no mouth or gut and absorb their nutrients directly from their host through their integument

Humans are the only definitive hosts for Taenia saginata and Taenia solium

the eggs can’t survive for days to months in the environment

• Cattle (T. solium) and pigs (T. saginata)

In the ________ intestine , the cysticercus develops over 2 months into an adult tapeworm , which can survive for years

The adult tapeworms attach to the small intestine by their scolex

All of the following true Expect

T. saginata adults usually have 1,000 to 2,000 proglottids

T. solium adults have an average of_______ proglottids

T. saginata may produce up to 100,000 eggs

T. solium may produce_____ eggs

Oncospheres develop into cysticerci in muscle is

Eggs or gravid proglottids in feces and passed into environment is Diagnostic Stage

humans can be the intermediate host for