Meaning & use
Gastrula
Last updated
An early-stage animal embryo formed by the folding of a blastula, resulting in a multilayered structure with a primitive gut.
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During gastrulation, the embryo develops from a hollow ball of cells into a gastrula with distinct cell layers.
Biologists studied the gastrula under a microscope to observe the formation of the three germ layers.
A note on using this word
From Greek 'gaster,' meaning 'stomach'; the gastrula stage establishes the basic body plan of most animals.
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