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gastrula

gast·rula

UK/ˈɡæstɹələ/ uncommon

noun

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

Origin

From German Gastrula, coined by Ernst Haeckel in his 1872 work "Biology of Calcareous Sponges". From gastr- (from Ancient Greek γαστήρ (gastḗr, “stomach”) + Latin -ula.

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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.