| Answer | Crossword Clue |
|---|---|
| mesoderms | MESODERM, the middle germ layer of an embryo |
| mesoblast | another name for the mesoderm, the middle germ layer of the embryo in early development |
| mesoblasts | MESOBLAST, another name for the mesoderm, the middle germ layer of the embryo in early development |
| mesoderm | the middle germ layer of an embryo |
| ectoblasts | the primordial outer layer of a young embryo before the segregation of the germ layers, capable of becoming the ectoderm and containing cells capable of becoming the mesoderm and endoderm |
| epiblast | the primordial outer layer of a young embryo before the segregation of the germ layers, capable of becoming the ectoderm and containing cells capable of becoming the mesoderm and endoderm |
