Chapter 34 Flatworms And Roundworms Flashcards
(27 cards)
Endoparasite
Lives inside the host
Ectoparasite
Lives on the external surface of the host
Proglottid
A complete reproductive unit
Pseudocoelom
Evolutionary milestone in roundworms
Planarians
Free-living flatworms
Cestodes and trematodes
Parasitic flatworms
Ascaris is…
an endoparasite
Rotifers grind food with which of the following A. Cloaca B. Mouth C. Mastax D. Intestine
C. Cloaca
A person may become infected with endoparasites by any of the following expect for
A. Ingesting their eggs
B. Ingesting their larvae
C. Standing in water contaminated with their larvae
D. Not washing daily
D. No washing daily
Tapeworms absorb food from the hosts intestine through which of the following A. Collar cells B. Digestive system C. Tegument D. Mouth
A. Tegument
Pharynx
Ingest food
Flame cells
Maintains water balance
Eyespot
Senses lighy intensity
Primary hosts
Adult parasites larva
Intermediate hosts
Larval parasites
Schistosomiasis
Caused by a fluke infection
Scolex
Has suckers for attaching to a hosts
Cysts
Dormant parasitic larva
Cuticle
Productive noncellular layer of a roundworm
Trichinosis
Can be acquired by eating undercooked pork
Pinworm
Infection common in schoolchildren although not serious
Filarial worm
Causes elephantiasis
Elephantiasis
Diseases in which lymphatic vessels become blocked by larval worms
Parathenogensis
Development of unfertilized eggs into adult females
