| Answer | Crossword Clue |
|---|---|
| gastrulation | the formation of a gastrula |
| gastrulations | GASTRULATION, the formation of a gastrula |
| blastospore | the orifice of a gastrula |
| blastospores | BLASTOSPORE, the orifice of a gastrula |
| endoblast | the inner cell-layer of a gastrula also ENTOBLAST |
| endoblasts | ENDOBLAST, the inner cell-layer of a gastrula also ENTOBLAST |
| gastrular | of or like a gastrula, an embryo at the stage in which it forms a two-layered cup by the invagination of its wall |
