Definitions
from The Century Dictionary.
- noun In embryology, that from of metagastrula, or kenogenetic gastrula, which results from surface-cleavage of the egg, or superficial segmentation of the vitellus. Also called
bladder-gastrula .
Etymologies
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Examples
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This is the only material difference between our vesicular gastrula (perigastrula) and the original form of the bell-gastrula
The Evolution of Man — Volume 1 Ernst Heinrich Philipp August Haeckel 1876
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