[Elizabeth_Zeibig]_Clinical_Parasitology__A_Practi(z-lib.org)

CHAPTER 11 The Trematodes
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C H A P T E R
11
The Trematodes
Lynda Britton and Elizabeth Zeibig
W H A T ’ S A H E A D
Focusing In
Morphology and Life Cycle
Notes
Laboratory Diagnosis
Pathogenesis and Clinical
Symptoms
Trematode Classification
Fasciolopsis buski
Fasciola hepatica
Clonorchis sinensis
Heterophyes heterophyes
Metagonimus yokogawai
Paragonimus westermani
Schistosoma Species
Schistosoma mansoni
Schistosoma japonicum
Schistosoma haematobium
Looking Back
L E A R N I N G O B J E C T I V E S
On completion of this chapter and review
of its figures, tables, and corresponding
photomicrographs, the successful learner will be
able to:
11-1. Define the following key terms:
Cercaria (pl., cercariae)
Dioecious
Digenea
Distomiasis
Katayama fever
Metacercaria (pl., metacercariae)
Miracidium
Operculum
Redia operculum (pl., rediae)
Schistosomule
Sporocyst (pl., sporocysts)
Swimmer’s itch
Trematoda
Trematode (pl., trematodes)
11-2. State the geographic distribution of the
trematodes.
11-3. State the common name associated with
the trematodes.
11-4. Given a list of parasites, select those
organisms belonging to the class
Digenea.
11-5. Briefly summarize the life cycle of each of
the trematodes.
11-6. Identify and describe the symptoms and
clinically significant disease processes
associated with each pathogenic trematode.
11-7. Identify and describe each of the following
as they relate to the trematodes:
A. Treatment options
B. Prevention and control measures
11-8. Select the specimen of choice, collection
and processing protocol, and laboratory
diagnostic techniques for the recovery of
each of the nematodes.
11-9. Compare and contrast the trematodes in
terms of the key features that the parasites
have in common, as well as features that
distinguish them.
11-10. Given a description, photomicrograph,
and/or diagram of a trematode, correctly:
A. Identify and/or label the designated
characteristic structure(s).
B. State the purpose of the designated
characteristic structure(s).
C. Identify the organism by scientific
name, common name, and
morphologic form.
Copyright © 2013 by Saunders, an imprint of Elsevier Inc.
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