n. pl. gas·tru·las or gas·tru·lae (-lē′)
An embryo at the stage following the blastula, after the movement of cells results in the formation of the three germ layers, ectoderm, mesoderm, and endoderm.
[New Latin : Greek gastēr, gastr-, belly + Latin -ula, feminine diminutive suff.]
gastru·lar (-lər) adj.
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Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
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