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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

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Accession:MP:0009675 term browser browse the term
Definition:thickening of the stratum corneum of the epidermis (hyperkeratosis) with non-nucleated keratinocytes retained in this layer
Synonyms:exact_synonym: orthokeratotic hyperkeratosis

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  mammalian phenotype 5380
    integument phenotype 168
      abnormal skin morphology 16
        abnormal epidermal layer morphology 2
          abnormal epidermis stratum corneum morphology 2
            hyperkeratosis 2
              orthokeratosis 0
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