Organism Function
gastrulation Audio
[ gas-troo-ley-shuhn ]
Subclass of:
Embryonic Development
Definitions related to gastrulation:
  • A complex and coordinated series of cellular movements that occurs at the end of cleavage during embryonic development of most animals. The details of gastrulation vary from species to species, but usually result in the formation of the three primary germ layers, ectoderm, mesoderm and endoderm.
    Gene Ontology Dictionary
    Gene Ontology Consortium, 2021
  • 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.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
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