archenteron

American  

[ahr-ken-tuh-ron] / ɑrˈkɛn təˌrɒn /

noun

Embryology.

PLURAL

archentera

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

• archenteric adjective

Etymology

Origin of archenteron

1875–80; arch- ² + enteron ( def. )

Example Sentences

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

From Project Gutenberg

The archenteron gives off two lateral pounchs and thus becomes trilobed.

From Project Gutenberg

In the direct development Bateson showed that the three divisions of the coelom arise as pouches constricted off from the archenteron or primitive gut, thus resembling the development of the mesoblastic somites of Amphioxus.

From Project Gutenberg

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 Project Gutenberg

They distinguished in the middle layer two quite distinct elements, the mesoblast proper, formed by the evagination of the walls of the archenteron, and the mesenchyme, formed by free cells budded off from the germ-layers.

From Project Gutenberg