GASTRULATION

Gastrulation

Gastrulation is a phase early in the embryonic development of most animals, during which the single-layered blastula is reorganized into a trilaminar structure known as the gastrula. These three germ layers are known as the ectoderm, mesoderm, and endoderm.

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gastrulation

Noun

  1. The stage of embryo development at which a gastrula is formed from the blastula by the inward migration of cells


The above text is a snippet from Wiktionary: gastrulation
and as such is available under the Creative Commons Attribution/Share-Alike License.

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