gastrulation

American  

[gas-troo-ley-shuhn] / ˌgæs trʊˈleɪ ʃən /

noun

Embryology.

1. the formation of a gastrula.

2. any process, as invagination, by which a blastula or other form of embryo is converted into a gastrula.

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gastrulation British  

/ ˌɡæstrʊˈleɪʃən /

noun

1. embryol the process in which a gastrula is formed from a blastula by the inward migration of cells

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Etymology

Origin of gastrulation

First recorded in 1875–80; gastrulate + -ion

Example Sentences

Known as gastrulation, this crucial process unfolds in the third week of human development.

From Science Daily

Using a co-culture technique to form cellular aggregates, he was able to confirm the ability of the generated amniotic ectoderm cells to initiate gastrulation.

From Science Daily

"The formation of these centralized Golgi ribbons occurs just before gastrulation, which is the developmental stage at which the embryos establish the fate of different tissues and the body plan of the animal," says Ferraro.

From Science Daily

Before gastrulation, vertebrate embryos are simple two-dimensional sheets of cells.

From Science Daily

So one of the ways we are trying to use these systems is to model diseases that happen during gastrulation—in this case, ones associated with abnormalities of the spinal cord.

From Scientific American