coelom(redirected from Extraembryonic coelom)
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coe·lomalso ce·lom (sē′ləm)
n. pl. coeloms or coe·lo·ma·ta (-lə-mä′tə, -măt′ə) also ce·loms or ce·loma·ta
The fluid-filled cavity within the body of most multicellular animals, except some invertebrates such as flatworms and cnidarians, that lies between the body wall and the digestive tract and is formed by the splitting of the embryonic mesoderm into two layers. Also called body cavity.
coe·lom′ic (sĭ-lŏm′ĭk, -lō′mĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
coelom(ˈsiːləʊm; -ləm) or
(Zoology) the body cavity of many multicellular animals, situated in the mesoderm and containing the digestive tract and other visceral organs
[C19: from Greek koilōma cavity, from koilos hollow; see coel-]
coelomic, celomic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
n., pl. coe•loms, coe•lo•ma•ta (sɪˈloʊ mə tə) also coe•lomes.
the body cavity of higher metazoans, between the body wall and intestine, lined with a mesodermal epithelium.
[1875–80; < Greek koílōma cavity =koilō-, variant s. of koiloûn to hollow out, v. derivative of koîlos hollow + -ma n. suffix of result]
coe•lom•ic (sɪˈlɒm ɪk, -ˈloʊ mɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||coelom - a cavity in the mesoderm of an embryo that gives rise in humans to the pleural cavity and pericardial cavity and peritoneal cavity|
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