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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 hair shaft morphology
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Accession:MP:0003809 term browser browse the term
Definition:any structural anomaly of the cuticle, cortex and/or medulla of a hair
Synonyms:exact_synonym: abnormal hair fiber;   abnormal hair fibre;   abnormal hair shaft;   hair shaft dysplasia
 alt_id: MP:0002854

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  mammalian phenotype 4973
    integument phenotype 139
      abnormal skin adnexa morphology 118
        abnormal pilosebaceous unit morphology 3
          abnormal hair shaft morphology 0
            abnormal hair club morphology + 0
            abnormal hair cortex morphology + 0
            abnormal hair cuticle 0
            abnormal hair medulla + 0
            abnormal hair shaft melanin granule morphology + 0
            disorganized hair shaft 0
            increased curvature of hairs + 0
            thin hair shaft 0
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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.