noun, plural gas·tru·las, gas·tru·lae [gas-troo-lee]. /ˈgæs trʊˌli/. Embryology.
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OTHER WORDS FROM gastrulagas·tru·lar, adjectivepre·gas·tru·lar, adjective
Words nearby gastrula
Example sentences from the Web for gastrula
A view of the gastrula stage after the larva has become fixed is given in fig. 2.
At the same time they become clearer and permit a view of the interior of the gastrula.
This gastrula is the simplest form of the "person," and the two germinal layers are its sole organs.The Wonders of Life|Ernst Haeckel
In the further development of the various tissue-forming animals from the gastrula we have to distinguish two principal groups.
The two-layered young stage of higher creatures, when it has a free-swimming existence, is called a Gastrula (Fig. 6).Stories of the Universe: Animal Life|B. Lindsay