Parasitology
for medical
and clinical
laboratory
professionals
tt
,
, Parasitology for Medical and Clinical © 2012 Delmar, Cengage Learning
Laboratory Professionals
ALL RIGHTS RESERVED. No part of this work covered by the copyright
John W. Ridley herein may be reproduced, transmitted, stored or used in any form
Vice President, Editorial, Career Education & or by any means graphic, electronic, or mechanical, including but not
Training Solutions: Dave Garza limited to photocopying, recording, scanning, digitizing, taping, Web
distribution, information networks, or information storage and retrieval
Director of Learning Solutions:
systems, except as permitted under Section 107 or 108 of the 1976
Matthew Kane
United States Copyright Act, without the prior written permission of
Senior Acquisitions Editor: Sherry Dickinson the publisher.
Managing Editor: Marah Bellegarde
Product Manager: Natalie Pashoukos For product information and technology assistance, contact us at
Cengage Learning Customer & Sales Support, 1-800-354-9706
Editorial Assistant: Anthony Souza
For permission to use material from this text or product,
Vice President, Marketing, Career Education & submit all requests online at cengage.com/permissions
Training Solutions: Jennifer Ann Baker Further permissions questions can be emailed to
Marketing Director: Wendy Mapstone
Senior Marketing Manager: Kristin McNary
Marketing Coordinator: Erica Ropitzky Library of Congress Control Number: 2011920100
Production Director: Carolyn Miller ISBN-13: 978-1-4354-4816-2
Production Manager: Andrew Crouth ISBN-10: 1-4354-4816-2
Content Project Management:
PreMediaGlobal Delmar
Senior Art Director: David Arsenault 5 Maxwell Drive
Clifton Park, NY 12065-2919
USA
Cengage Learning products are represented in Canada by
Nelson Education, Ltd.
For your course and learning solutions, visit delmar.cengage.com
Visit our corporate website at cengage.com
tt
, Notice to the Reader
Publisher does not warrant or guarantee any of the products described herein or perform any independent analysis in connectio n with any of the product information con-
tained herein. Publisher does not assume, and expressly disclaims, any obligation to obtain and include information other than that provided to it by the manufacturer. The
reader is expressly warned to consider and adopt all safety precautions that might be indicated by the activities described herein and to avoid all potential hazards. By follow-
ing the instructions contained herein, the reader willingly assumes all risks in connection with such instructions. The publi sher makes no representations or warranties of any
kind, including but not limited to, the warranties of fitness for particular purpose or merchantability, nor are any such representations implied with respect to the material set
forth herein, and the publisher takes no responsibility with respect to such material. The publisher shall not be liable for any special, consequential, or exemplary damages
resulting, in whole or part, from the readers’ use of, or reliance upon, this material.
What Are Parasites? ................................. 3
NOTE: For the purpose of providing a logical sequence
in presenting the parasites, and to offer discussions Pathogenicity of Parasites .......................... 3
of parasites that infect the human body, this book is Identification of Parasites ......................... 4
organized by body site and the type of tissue in which Hosts Required in Parasitic Infections..... 4
the various parasites are found. This relieves the begin-
ning student of the task of trying to remember the body Reservoir Host ......................................... 5
site where the ovum (egg) or the adult parasite being Accidental Host ........................................ 5
discussed is typically found. In areas of the body where Transmission of Parasitic Infections ......... 5
numerous organisms are found, such as in the gastroin-
Diagnosis of Parasitic Infection ................ 6
testinal tract, the organisms will be classified as to their
respective morphological characteristics.
PREFACE xiii
CHAPTER 1
BACKGROUND OF PARASITOLOGY 1
Introduction ...........................................2
Description of the Meaning of the Word
Parasite ............................................... 2
for medical
and clinical
laboratory
professionals
tt
,
, Parasitology for Medical and Clinical © 2012 Delmar, Cengage Learning
Laboratory Professionals
ALL RIGHTS RESERVED. No part of this work covered by the copyright
John W. Ridley herein may be reproduced, transmitted, stored or used in any form
Vice President, Editorial, Career Education & or by any means graphic, electronic, or mechanical, including but not
Training Solutions: Dave Garza limited to photocopying, recording, scanning, digitizing, taping, Web
distribution, information networks, or information storage and retrieval
Director of Learning Solutions:
systems, except as permitted under Section 107 or 108 of the 1976
Matthew Kane
United States Copyright Act, without the prior written permission of
Senior Acquisitions Editor: Sherry Dickinson the publisher.
Managing Editor: Marah Bellegarde
Product Manager: Natalie Pashoukos For product information and technology assistance, contact us at
Cengage Learning Customer & Sales Support, 1-800-354-9706
Editorial Assistant: Anthony Souza
For permission to use material from this text or product,
Vice President, Marketing, Career Education & submit all requests online at cengage.com/permissions
Training Solutions: Jennifer Ann Baker Further permissions questions can be emailed to
Marketing Director: Wendy Mapstone
Senior Marketing Manager: Kristin McNary
Marketing Coordinator: Erica Ropitzky Library of Congress Control Number: 2011920100
Production Director: Carolyn Miller ISBN-13: 978-1-4354-4816-2
Production Manager: Andrew Crouth ISBN-10: 1-4354-4816-2
Content Project Management:
PreMediaGlobal Delmar
Senior Art Director: David Arsenault 5 Maxwell Drive
Clifton Park, NY 12065-2919
USA
Cengage Learning products are represented in Canada by
Nelson Education, Ltd.
For your course and learning solutions, visit delmar.cengage.com
Visit our corporate website at cengage.com
tt
, Notice to the Reader
Publisher does not warrant or guarantee any of the products described herein or perform any independent analysis in connectio n with any of the product information con-
tained herein. Publisher does not assume, and expressly disclaims, any obligation to obtain and include information other than that provided to it by the manufacturer. The
reader is expressly warned to consider and adopt all safety precautions that might be indicated by the activities described herein and to avoid all potential hazards. By follow-
ing the instructions contained herein, the reader willingly assumes all risks in connection with such instructions. The publi sher makes no representations or warranties of any
kind, including but not limited to, the warranties of fitness for particular purpose or merchantability, nor are any such representations implied with respect to the material set
forth herein, and the publisher takes no responsibility with respect to such material. The publisher shall not be liable for any special, consequential, or exemplary damages
resulting, in whole or part, from the readers’ use of, or reliance upon, this material.
What Are Parasites? ................................. 3
NOTE: For the purpose of providing a logical sequence
in presenting the parasites, and to offer discussions Pathogenicity of Parasites .......................... 3
of parasites that infect the human body, this book is Identification of Parasites ......................... 4
organized by body site and the type of tissue in which Hosts Required in Parasitic Infections..... 4
the various parasites are found. This relieves the begin-
ning student of the task of trying to remember the body Reservoir Host ......................................... 5
site where the ovum (egg) or the adult parasite being Accidental Host ........................................ 5
discussed is typically found. In areas of the body where Transmission of Parasitic Infections ......... 5
numerous organisms are found, such as in the gastroin-
Diagnosis of Parasitic Infection ................ 6
testinal tract, the organisms will be classified as to their
respective morphological characteristics.
PREFACE xiii
CHAPTER 1
BACKGROUND OF PARASITOLOGY 1
Introduction ...........................................2
Description of the Meaning of the Word
Parasite ............................................... 2