Trematode intro
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Trematode intro

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Questions and Answers

Describe the morphological characteristics of trematodes.

Leaf shaped, dorso-ventrally flattened, have oral and ventral suckers, has a mouth but no anus and are hermaphroditic.

Trematodes have a direct lifecycle

False

The intermediate host for trematodes is a(n) ____________

The intermediate host for trematodes is an aquatic snail

How do you diagnose a patient with trematodes?

<p>Sedimentation</p> Signup and view all the answers

What is an operculum?

<p>A small hat or lid covering on an egg.</p> Signup and view all the answers

Match the following larvae to its direct description.

<p>Miracidia = Free living ciliated larval stage Rediae = Larval stage inside IH Cercariae = Free-living tadpole like larval stage Metacercariae = Encysted resting stage of trematode (aka infective stage)</p> Signup and view all the answers

Trematodes can either have one or two indirect hosts in their lifecycle

<p>True</p> Signup and view all the answers

What are the 8 trematodes that were discussed for this week?

<p>Fasciola hepatica, Fascioloides magma,paramphistomum, dicrocoelium, paragonimus kellicotti, nanophyetus salmincola, alaria, and platynosomum</p> Signup and view all the answers

Match to their correct street name

<p>Fasciola hepatica = Liver fluke Fascioloides magna = Deer fluke/large American liver fluke Paramphistomum spp = Rumen fluke Dicrocoelium spp = Lanceolate fluke</p> Signup and view all the answers

Match to the correct street name

<p>Paragonimus kelicotti = Lung fluke Nanophyetus salmincola = Salmon poisoning fluke Alaria = Intestinal fluke Platynosomum fastosum = Liver fluke of cats</p> Signup and view all the answers

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