gastrula | ||
1. | [ noun ] (zoology,embryology) 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 | |
Related terms: | embryo archenteron | |
Similar spelling: |
Gaster gastralgia gastrin gastric gagster Gastropoda gastromy |