archenteron

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ar·chen·ter·on

 (är-kĕn′tə-rŏn′, -tər-ən)
n.
The central cavity of the gastrula, which ultimately becomes the intestinal or digestive cavity.

ar′chen·ter′ic (är′kĕn-tĕr′ĭk) 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.

archenteron

(ɑːˈkɛntəˌrɒn)
n
(Anatomy) the cavity within an embryo at the gastrula stage of development that eventually becomes the digestive cavity
[C19: from Greek arkhē beginning + enteron intestine]
archenteric adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

arch•en•ter•on

(ɑrˈkɛn təˌrɒn)

n.
pl. -ter•a (-tər ə)
the primitive enteron or digestive cavity of a gastrula.
[1875–80]
arch`en•ter′ic (-ˈtɛr ɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.archenteron - central cavity of the gastrulaarchenteron - central cavity of the gastrula; becomes the intestinal or digestive cavity
gastrula - double-walled stage of the embryo resulting from invagination of the blastula; the outer layer of cells is the ectoderm and the inner layer differentiates into the mesoderm and endoderm
blastopore - the opening into the archenteron
bodily cavity, cavum, cavity - (anatomy) a natural hollow or sinus within the body
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