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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:embryonic-extraembryonic boundary constriction
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Accession:MP:0012135 term browser browse the term
Definition:an invagination or pinching in the visceral endoderm that is centered at the boundary between embryonic and extra-embryonic regions of the developing embryo, often resulting in physical separation of embryonic and extraembryonic ectoderm

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  mammalian phenotype 5373
    embryo phenotype 6
      abnormal embryo morphology 2
        abnormal embryonic-extraembryonic boundary morphology 0
          embryonic-extraembryonic boundary constriction 0
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