- the formation of a gastrula.
- any process, as invagination, by which a blastula or other form of embryo is converted into a gastrula.
Origin of gastrulation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for gastrulation
Historical Examples of gastrulation
The conditions of gastrulation and of the formation of the germinal layers are similar.The Biological Problem of To-day
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
- 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
- Transformation of the blastula into the gastrula.
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