Gastrulation definition
Gastrulation means the process immediately following the blastula state when the hollow ball of cells representing the early embryo undergoes a complex and coordinated series of movements that results in the formation of the three primary germ layers, the ectoderm, mesoderm and endoderm.
Gastrulation means the process immediately following the blastula state when the hollow ball of cells representing the early embryo undergoes a complex and coordinated series of movements resulting in the formation of the three primary germ layers (ectoderm, mesoderm and endoderm). PA 05-272 imposes a fine of up to $50,000, imprisonment up to five years, or both, for conducting embryonic stem cell research after gastrulation occurs. )