archenteron

American  

[ahr-ken-tuh-ron] / ɑrˈkɛn təˌrɒn /

noun

Embryology.

archentera plural

1. the primitive enteron or digestive cavity of a gastrula.

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archenteron British  

/ ɑːˈkɛntəˌrɒn, ˌɑːkənˈtɛrɪk /

noun

1. the cavity within an embryo at the gastrula stage of development that eventually becomes the digestive cavity

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Other Word Forms

Derived Forms

• archenteric
  adjective

Inflected Forms

Nouns

• archentera
  plural

Etymology

Origin of archenteron

1875–80; arch- ² + enteron ( def. )

Example Sentences

See Examples For:

archenteron

The archenteron develops into the alimentary canal, and a mouth opening is formed by invagination of ectoderm at the pole opposite the blastopore of the gastrula.

From Textbooks ● Jan. 1, 2015

This cavity is the primitive alimentary cavity or archenteron; the inner or invaginated layer is the hypoblast; the outer the epiblast; and the embryo, in this stage, is termed a gastrula.

From Darwiniana : Essays — Volume 02 by Huxley, Thomas Henry

Kowalevsky, in 1871, showed that the body-cavity of Sagitta was formed by a division of the archenteron into three parallel cavities, and in 1874 demonstrated the same fact for the Brachiopoda.

From Form and Function A Contribution to the History of Animal Morphology by E. S. (Edward Stuart) Russell

Outer layer is the ectoderm; inner layer, the entoderm; internal cavity, the archenteron; mouth of cavity, blastopore.

From The Whence and the Whither of Man A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895 by Tyler, John Mason

The pore or opening leading into the cavity of invagination, or archenteron.

From Webster's Unabridged Dictionary (2nd 100 Pages) by Webster, Noah