cestodes Flashcards
(30 cards)
tapeworms
cestodes
true or false
cestodes does not have circulatory system and gastrointestinal tract
TRUE
adult cestode’s part that attaches to intestinal mucosa
scolex (head)
adult cestode’s part that has actively growing neck + produces immature proglottids
strobila
beef tapeworm
Taenia saginata
pork tapeworm
Taenia solium
cestodes that results to cysticercosis
Taenia solium
Taenia spp. with 4 suckers and no hooks
Taenia saginata
Taenia spp. with 4 suckers and 2 rows of hooks
Taenia solium
how many uterine branches does Taenia saginata have?
15-20
how many uterine branches does Taenia solium have?
7-13
stain used to identify proglottids
India ink
where does cestode’s larva resides?
on intermediate host’s tissue/body cavities
broad fish tapeworm
D. latum
causes megaloblastic anemia
D. latum
competes with vit. B12
D. latum
first intermediate host of D. latum
copepods
egg: operculated with knoblike projections on abopercular end
D. latum
infective stage of D. latum to humans
plerocercoid
inside bigger fish
dwarf tapeworm
Hymenolepsis nana
smallest cestode
embryonated egg has bipolar filaments
H. nana
parasite transmitted from ingestion of cysticercoid-infected arthropods (rice beetle) or from rodent droppings
H. nana
what is the difference of H. diminuta to H. nana?
H. diminuta’s egg doesn’t have filaments + its final host if rat
H. nana’s final host is man