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The Mouse Adult Gross Anatomy Ontology and Mammalian Phenotype Ontology are downloaded weekly from the Mouse Genome Informatics databases at Jackson Laboratories ( For more information about these ontologies, see the MGI Publications Page at

Term:abnormal gastrulation
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Accession:MP:0001695 term browser browse the term
Definition:any anomaly in the development and invagination of the embryonic germ layers
Comment:in the mouse, gastrulation initiates at E6.5, as cells of the primitive ectoderm (epiblast) delaminate at the posterior side of the embryo and ingress through the primitive streak in an epithelial-to-mesenchymal transition
Synonyms:xref: GO:0007669

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  mammalian phenotype 5415
    embryo phenotype 11
      abnormal embryo development 0
        abnormal developmental patterning 0
          abnormal gastrulation 0
            abnormal embryo turning + 0
            abnormal gastrulation movements 0
            abnormal germ layer development + 0
            delayed gastrulation 0
            failure to gastrulate 0
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