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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:0001242 term browser browse the term
Definition:thickening of the horny layer of the epidermis
Synonyms:exact_synonym: epidermal hyperkeratosis;   thickened cornified layer;   thickened horny layer;   thickened stratum corneum;   thicker cornified layer;   thicker horny layer;   thicker stratum corneum
 alt_id: MP:0001223

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  mammalian phenotype 0
    integument phenotype 0
      abnormal skin morphology 0
        abnormal epidermal layer morphology 0
          abnormal epidermis stratum corneum morphology 0
            hyperkeratosis 0
              orthokeratosis 0
              parakeratosis 0
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