Difference between revisions of "Cestodes"

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Revision as of 13:13, 12 January 2009



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PARASITES
HELMINTHS



Introduction

Taenia proglottid - Courtesy of the Laboratory of Parasitology, University of Pennsylvania School of Veterinary Medicine
Cestoda Groups - Courtesy of C. Hermosilla, Royal Veterinary College

This class differs from the Trematodes in that they have a tape-like body, with no alimentary canal. A cestode (tapeworm) is a chain (strobila) of progressively maturing, independent reproductive units (segments or proglottids) anchored at one end to the intestinal wall by a hold-fast organ (scolex). Each segment contains one set, or sometimes two sets, of male and female reproductive organs.

Tapeworm superfamilies:

Pseudophyllidea

Cyclophyllidea

  • Echinococcus granulosus in hydatid disease of lungs