noun, plural arch·en·ter·a [ahr-ken-ter-uh] /ɑrˈkɛn tər ə/. Embryology.

the primitive enteron or digestive cavity of a gastrula.

Origin of archenteron

1875–80; arch-2 + enteron
Also called primitive gut.
Related formsarch·en·ter·ic [ahr-kuh n-ter-ik] /ˌɑr kənˈtɛr ɪk/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for archenteron

Historical Examples of archenteron

British Dictionary definitions for archenteron



the cavity within an embryo at the gastrula stage of development that eventually becomes the digestive cavity
Derived Formsarchenteric (ˌɑːkənˈtɛrɪk), adjective

Word Origin for archenteron

C19: from Greek arkhē beginning + enteron intestine
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

archenteron in Medicine


[är-kĕntə-rŏn′, -tər-ən]


The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.