Helminth Flashcards

HELMINTHS WIKIBUGS FLASHCARDS

Cestodes

Question	Answer	Article
Fill in the missing words about cestodes	A cestode (tapeworm) is a chain (strobila) of progressively maturing reproductive units called proglottids anchored at one end to the intestinal wall by a hold-fast organ called the scolex.	Link to Answer Article
What species of Taenia occur in dogs?	Taenia ovis Taenia hydatigena Taenia pisiformis Taenia multiceps Taenia serialis	Link to Answer Article
What are the more obvious morphological features of the scolex of a cyclophyllidean tapeworm?	Four suckers Rostellum with rows of large hooks Unsegmented neck (behind the scolex) which gives rise to new segments	Link to Answer Article
Describe the features of a cysticercus	Fluid filled bladder, containing a single invaginated head (protoscolex) - seen as a white blob on the wall of the cyst	Link to Answer Article
What are oviparous insects?	Lay eggs outside of the body which hatch after deposition	Link to Answer Article
What are viviparous insects?	Lay larvae or nymphs Eggs rupture in female reproductive system	Link to Answer Article
Summarise simple metamorphosis and give an example of a species of insect which uses it	Nymph emerges from egg Nymph grows and moults Nymph becomes an adult Lice	Link to Answer Article
Summarise complex metamorphosis and give an example of a species of insect which uses it	Larva emerges from egg Larva grows and moults Larva pupates Adult emerges from pupa Flies	Link to Answer Article