Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun gastrula

1 sense of gastrula

Sense 1
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)
       => embryo, conceptus, fertilized egg -- (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)