gastrulation

[ gas-troo-ley-shuhn ]

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.

gastrulation

/ ˌɡæstrʊˈleɪʃən /

noun

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

Word History and Origins

Origin of gastrulation¹

First recorded in 1875–80; gastrulate + -ion

Example Sentences

The first is to study the process known as gastrulation—the point two weeks after conception when embryonic cells begin to differentiate into the body’s more than 200 cell types.

From Time

Until 2019, no non-human primate embryos had been cultured for the nearly three weeks it took for them to reach the gastrulation stage that Belmonte was keen to better understand.

From Time

The egg undergoes a total segmentation and a regular gastrulation.

From Project Gutenberg

It is desirable only further to explain that gastrulation does not take place in all the Metazoa after exactly the same plan.

From Project Gutenberg

The conditions of gastrulation and of the formation of the germinal layers are similar.

From Project Gutenberg