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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 myelination
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Accession:MP:0000920 term browser browse the term
Definition:any anomaly in the process by which myelin sheaths are formed and maintained around neurons; oligodendrocytes in the brain and spinal cord and Schwann cells in the peripheral nervous system wrap axons with compact layers of their plasma membrane
Synonyms:exact_synonym: altered myelination;   myelination abnormalities;   myelination defect
 narrow_synonym: absent myelination
 related_synonym: absence of myelination
 alt_id: MP:0001894;   MP:0010051
 xref: GO:0042552

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  mammalian phenotype 0
    nervous system phenotype 0
      abnormal nervous system physiology 0
        abnormal myelination 0
          demyelination 0
          dysmyelination 0
          hypermyelination 0
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