+Blastulation is a key early stage in [Embryo](/wiki/embryo) development, where a solid ball of cells organizes into a hollow sphere called the blastula. This crucial event, driven by rapid [Cell Division](/wiki/cell_division), sets the foundation for future tissue formation.
+## See also
+- [Gastrulation](/wiki/gastrulation)
+- [Zygote](/wiki/zygote)
+- [Morula](/wiki/morula)
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