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Noun: gastrula (gastrulae)  gas-trû-lu
  1. 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

Derived forms: gastrulae

Type of: conceptus, embryo, fertilised egg [Brit], fertilized egg

Encyclopedia: Gastrula

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gastrula
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gateau
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gatecrasher
gatefold