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[en-tuh-zoh-on] /ˌɛn təˈzoʊ ɒn/
noun, plural entozoa
[en-tuh-zoh-uh] /ˌɛn təˈzoʊ ə/ (Show IPA)
any animal parasite, as an intestinal worm, that lives within the body of its host (opposed to ectozoon).
Also, entozoan.
Origin of entozoon
First recorded in 1825-35; ento- + -zoon Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for entozoon
Historical Examples
  • Experiments with the cultivation of our three species of the genus Nyctotherus and of Balantidium entozoon and B. coli.

  • From the earliest times this entozoon has been confounded with the palisade worm.

    Parasites T. Spencer Cobbold
  • Dr Ransom bases his belief on the known facts of the life-history of this entozoon, as recorded more especially by Leuckart.

    Parasites T. Spencer Cobbold
  • The occurrence, however, of this entozoon in an American red fox points to a very wide geographical distribution of the species.

    Parasites T. Spencer Cobbold
  • As regards the occurrence of this entozoon in the human body, the best account is that given by Frerichs.

    Parasites T. Spencer Cobbold
  • In a large number of cases the entozoon has taken up its abode in organs of vital importance.

    Parasites T. Spencer Cobbold
  • As above mentioned, it was Griesinger who first pointed out the clinical importance of this entozoon.

    Parasites T. Spencer Cobbold
  • On the other hand, in not a few cases, the range of the entozoon is limited to a single territory or host.

    Parasites T. Spencer Cobbold
  • In the course of the development of this entozoon, Leuckart recognises four well-marked stages.

    Parasites T. Spencer Cobbold
  • As already stated, Prof. McConnell subsequently found this entozoon in man , a second instance being recorded later on .

    Parasites T. Spencer Cobbold
British Dictionary definitions for entozoon


noun (pl) -zoa (-ˈzəʊə)
any animal, such as a tapeworm, that lives within another animal, usually as a parasite
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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entozoon in Medicine

entozoon en·to·zo·on (ěn'tə-zō'ŏn')
n. pl. en·to·zo·a (-zō'ə)
An animal parasite, such as a tapeworm or liver fluke, inhabiting any of the internal organs or tissues.

en'to·zo'al adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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