archenteron

[ahr-ken-tuh-ron]

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

the primitive enteron or digestive cavity of a gastrula.

Nearby words

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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for archenteron

The archenteron gives off two lateral pounchs and thus becomes trilobed.
Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7|Various
The mesoblast is developed from the walls of hollow outgrowths of the archenteron, the cavities of which become the body cavity.
The Works of Francis Maitland Balfour, Volume III (of 4)|Francis Maitland Balfour
The greater part of the mesoblast is developed from the walls of the archenteron.
The Works of Francis Maitland Balfour, Volume 1|Francis Maitland Balfour
The archenteron becomes the gastrovascular system or coelenteron.
Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 2|Various

The part of the archenteron that remains within the embryo proper begins in this third week to be moulded into the head-cavity.
The Ethics of Medical Homicide and Mutilation|Austin O'Malley

British Dictionary definitions for archenteron

archenteron

noun

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

Medicine definitions for archenteron

archenteron

[är-kĕn′tə-rŏn′, -tər-ən]

n.

gastrocele