Vi fant 2 definisjoner av gastrula på engelsk.
Noun |
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| gastrula - double-walled stage of the embryo resulting from invagination of the blastula; the outer layer of cells is the ectoderm and the inner layer differentiates into the mesoderm and endoderm | ||
| conceptus, fertilized egg, embryo an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life | ||
