Page 5 - parasitology for medical and clinical laboratoryprofessionals

Table of Contents

History of Parasites Affecting Humans. . 7
NOTE: For the purpose of providing a logical sequence
in presenting the parasites, and to offer discussions Impact on Human Health by Parasites . . 7
of parasites that infect the human body, this book is Transfer of Parasites from One Area
organized by body site and the type of tissue in which
of the World to Another. . . . . . . . . . . . 8
the various parasites are found. This relieves the begin-
ning student of the task of trying to remember the body Spread of an Ectoparasite . . . . . . . . . . . . 8
site where the ovum (egg) or the adult parasite being Spread of Intestinal Helminths
discussed is typically found. In areas of the body where and Protozoa . . . . . . . . . . . . . . . . . . . 9
numerous organisms are found, such as in the gastroin- Earliest Evidence of Parasitic
testinal tract, the organisms will be classified as to their
Infections in Man. . . . . . . . . . . . . . . . 10
respective morphological characteristics.
Archaeological Evidence of Parasitic
PREFACE xiii Infections. . . . . . . . . . . . . . . . . . . . . 11
Classification of Parasites . . . . . . . . . . . 12
CHAPTER 1

BACKGROUND OF PARASITOLOGY 1 CHAPTER 2
EPIDEMIOLOGY AND
Introduction. . . . . . . . . . . . . . . . . . . . . . . 2
CONDITIONS LEADING TO
Description of the Meaning of the Word
Parasite . . . . . . . . . . . . . . . . . . . . . . . 2 PARASITIC INFESTATIONS 15
What Are Parasites? . . . . . . . . . . . . . . . . 3 Epidemiology . . . . . . . . . . . . . . . . . . . . 16
Pathogenicity of Parasites . . . . . . . . . . . . 3 Patterns of Parasitic Outbreaks . . . . . . . 16
Identification of Parasites . . . . . . . . . . . . 4 Epidemiological Surveillance . . . . . . . . 16
Hosts Required in Parasitic Infections . . 4 Signs and Symptoms of
Reservoir Host . . . . . . . . . . . . . . . . . . . . 5 Parasitic Infections . . . . . . . . . . . . . . 18
Accidental Host . . . . . . . . . . . . . . . . . . . 5 Eosinophilia . . . . . . . . . . . . . . . . . . . . 19
Transmission of Parasitic Infections . . . . 5 Conditions Leading to Parasitic
Diagnosis of Parasitic Infection. . . . . . . . 6 Infestation . . . . . . . . . . . . . . . . . . . . . 20

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