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Related to gastrulation: organogenesis
intr.v. gas·tru·lat·ed, gas·tru·lat·ing, gas·tru·lates
To form or become a gastrula.
gas′tru·la′tion (-lā′shən) n.
(Physiology) embryol the process in which a gastrula is formed from a blastula by the inward migration of cells
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|Noun||1.||gastrulation - the process in which a gastrula develops from a blastula by the inward migration of cells|
growing, growth, ontogenesis, ontogeny, maturation, development - (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; "he proposed an indicator of osseous development in children"