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Metazoa

[met-uh-zoh-uh] /ˌmɛt əˈzoʊ ə/
noun
1.
a zoological group comprising the multicellular animals.
Origin
1870-1875
1870-75; < Neo-Latin; see meta-, -zoa
Related forms
metazoan, adjective, noun
metazoic, metazoal, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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metazoans in Medicine

Metazoa Met·a·zo·a (mět'ə-zō'ə)
n.
A subdivision of the animal kingdom that includes all multicellular animal organisms having cells that are differentiated and form tissues and organs.


met'a·zo'an adj. & n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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metazoans in Science
metazoan
  (mět'ə-zō'ən)   
  1. Any of the animals belonging to the subkingdom Metazoa, having a body made up of differentiated cells arranged in tissues and organs. All multicellular animals besides sponges are metazoans.

  2. A multicellular animal. No longer in scientific use.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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