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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:decreased myelin sheath amount
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Accession:MP:0020456 term browser browse the term
Definition:reduction in the amount of myelin surrounding nerve fibers or axons
Synonyms:exact_synonym: hypomyelinated;   reduced myelin sheath amount

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decreased myelin sheath amount term browser
Symbol Object Name Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Atrn attractin IAGP RGD PMID:12379762 RGD:1299186 NCBI chr 3:123,434,409...123,567,922
Ensembl chr 3:123,434,409...123,567,918
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G Atrnmv attractin; myelin vacuolation mutant IAGP RGD PMID:12379762 RGD:1299186

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Term Annotations click to browse term
  mammalian phenotype 5133
    nervous system phenotype 331
      abnormal nervous system morphology 186
        abnormal neuron morphology 58
          abnormal neurite morphology 16
            abnormal axon morphology 10
              abnormal myelin sheath morphology 9
                abnormal myelin sheath amount 3
                  decreased myelin sheath amount 3
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