GASTRULA

the name of the early embryo showing differentiation of cells into the three germ layers that will give rise to all of the major tissue systems in the adult animal.

GASTRULA: "Gastrula is a very early embryo."
Cite this page: N., Pam M.S., "GASTRULA," in PsychologyDictionary.org, May 11, 2013, https://psychologydictionary.org/gastrula/ (accessed June 1, 2020).
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