gastrulation

[ gas-troo-ley-shuhn ]

/ ˌgæs trʊˈleɪ ʃən /

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noun Embryology.

the formation of a gastrula.

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

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Origin of gastrulation

First recorded in 1875–80; gastrulate + -ion

Words nearby gastrulation

gastrotomy, gastrotrich, gastrovascular, gastrula, gastrulate, gastrulation, gas tube, gas turbine, gas up, gas vacuole, gas welding

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use gastrulation in a sentence

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.
The 10 Most Important Health Breakthroughs You Missed During the Pandemic|Jeffrey Kluger|June 10, 2021|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.
Scientists Report Creating the First Embryo With Human and Non-Human Primate Cells|Alice Park|April 15, 2021|Time
The egg undergoes a total segmentation and a regular gastrulation.
A Guide to the Study of Fishes, Volume 1 (of 2)|David Starr Jordan
It is desirable only further to explain that gastrulation does not take place in all the Metazoa after exactly the same plan.
Darwin, and After Darwin (Vol. 1 and 3, of 3)|George John Romanes

The conditions of gastrulation and of the formation of the germinal layers are similar.
The Biological Problem of To-day|Oscar Hertwig

British Dictionary definitions for gastrulation

gastrulation

/ (ˌɡæstrʊˈleɪʃən) /

noun

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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012