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MAMMALIAN PHENOTYPE - ANNOTATIONS

The Mouse Adult Gross Anatomy Ontology and Mammalian Phenotype Ontology are downloaded weekly from the Mouse Genome Informatics databases at Jackson Laboratories (ftp://ftp.informatics.jax.org/pub/reports/index.html). For more information about these ontologies, see the MGI Publications Page at http://www.informatics.jax.org/mgihome/other/publications.shtml.
Term:abnormal somite segmentation clock
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Accession:MP:0012669 term browser browse the term
Definition:anomaly or loss of the oscillatory mechanism governed by periodic shifts in gene expression and operating in the presomitic mesoderm that drives the regular periodicity with which somites are formed in the course of vertebrate segmentation. The total number of somites formed and the periodicity with which they are produced are species-specific parameters (e.g. humans have 33 somites with a somitogenesis period of approximately 6 hours while mice have 65 somites with a period of approximately 2 hours)


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  mammalian phenotype 5417
    embryo phenotype 12
      abnormal embryo morphology 2
        abnormal embryonic tissue morphology 1
          abnormal somite development 1
            abnormal somite segmentation clock 0
              prolonged somite segmentation clock period 0
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