Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
fertilized egg | Yes | No | No | No |
gastrula | Yes | No | No | No |
fertilized egg (noun) | gastrula (noun) |
---|---|
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 | 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 |