archenteron

American  

[ahr-ken-tuh-ron] / ɑrˈkɛn təˌrɒn /

noun

Embryology.

plural

archentera

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

---

archenteron British  

/ ɑːˈkɛntəˌrɒn, ˌɑːkənˈtɛrɪk /

noun

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

---

Other Word Forms

• archenteric adjective

Etymology

Origin of archenteron

1875–80; arch- ² + enteron ( def. )

Example Sentences

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

But our mid-intestine is still the greatly elongated archenteron of the gastrula.

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

They form the walls of a new cavity, the enterocœl, which is to be regarded as a nipped-off diverticulum of the archenteron.

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

With the notochord he homologised the supporting rod in the proboscis of Balanoglossus, which like the notochord arises from the dorsal wall of the archenteron, and has a vacuolated structure.

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

We naturally assume, from what we have learnt, that the next stages will be the formation of a hollow blastosphere, invagination, a gastrula forming mesoblast by hollow outgrowths from the archenteron, and so on.

From Text Book of Biology, Part 1: Vertebrata by Wells, H. G. (Herbert George)