Stage of embryo development in which the two-layered
blastula transforms into the
gastrula by developing
ectoderm and
endoderm, as well as a third layer (
mesoderm), through the movement of specific cells.
Source: PAC, 2016,
88, 713. (
Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)) on page 758 [
Terms] [
Paper]