• synonyms


[trem-uh-toh-duh, tree-muh-]
  1. the class comprising the trematodes.
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Origin of Trematoda

From New Latin; see origin at trematode
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for trematoda

Historical Examples

  • Similar to them in appearance are the flukes (Trematoda), of which the best known of a large variety is that which infests sheep.

    Zoology: The Science of Animal Life

    Ernest Ingersoll

  • The tristomes are not strictly entozoa, yet their internal organisation conforms more to the Trematoda than to the Hirudinid.


    T. Spencer Cobbold

  • This is the hirudinean of which we have spoken above, which is allied transitionally to the trematoda.

  • This stage corresponds to the ciliated larval stage of the Trematoda.

  • It develops during the encapsuled state into a cystic worm, equivalent to the sporocyst of Trematoda.

trematoda in Medicine


  1. A class of flatworms of the phylum Platyhelminthes, including both external and internal parasites of animal hosts, that have a thick outer cuticle and one or more suckers or hooks for attaching to host tissue; the flukes.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.