gastrulation

English Thesaurus

1. the process in which a gastrula develops from a blastula by the inward migration of cells (noun.process)

hypernym	:	biological process, organic process,
definition	:	a process occurring in living organisms (noun.process)

part meronym	:	development, growing, growth, maturation, ontogenesis, ontogeny,
definition	:	(biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level (noun.process)