Gastrulation
This is an old revision of this page, as edited by Jrssr5 (talk | contribs) at 14:07, May 10, 2007. It may differ significantly from current revision.
Gastrulation is an early stage during metazoan development where the embryo which was previously a hollow ball of cells begins to infold.
Gastrulations marks a vital stage in development and is much studied by biologists.