gastrulation

/gas-troo-ley-shuhn/US // ˌgæs trʊˈleɪ ʃən //UK // (ˌɡæstrʊˈleɪʃən) //

胚胎发育,胚胎形成,胃胚层的形成,胎儿发育

Definitions

n.名词 noun

1
Embryology.
- : the formation of a gastrula.
- : any process, as invagination, by which a blastula or other form of embryo is converted into a gastrula.

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.
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.
The egg undergoes a total segmentation and a regular gastrulation.
It is desirable only further to explain that gastrulation does not take place in all the Metazoa after exactly the same plan.
The conditions of gastrulation and of the formation of the germinal layers are similar.