| Definition of 'gastrulation' |
Princeton's WordNet |
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1. (noun) gastrulation
the process in which a gastrula develops from a blastula by the inward migration of cells
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| Definition of 'gastrulation' |
Webster Dictionary |
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1. (noun) gastrulation
the process of invagination, in embryonic development, by which a gastrula is formed
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| Definition of 'gastrulation' |
U.S. National Library of Medicine |
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1. gastrulation
A process of complicated morphogenetic cell movements that reorganizes a bilayer embryo into one with three GERM LAYERS and specific orientation (dorsal/ventral; anterior/posterior). Gastrulation describes the germ layer development of a non-mammalian BLASTULA or that of a mammalian BLASTOCYST.
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Definitions of gastrulation 
