Meaning of gastrula | Babel Free
Definitions
A stage in the development of embryos of most animals consisting of a three-layered sac of ectoderm, mesoderm and endoderm.
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.