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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 tympanic ring morphology
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Accession:MP:0000030 term browser browse the term
Definition:any structural anomaly of the bony ring at the ear canal to which the tympanic membrane is attached
Synonyms:exact_synonym: tympanic ring dysplasia
 related_synonym: abnormal ectotympanic

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  mammalian phenotype 5415
    hearing/vestibular/ear phenotype 23
      abnormal ear morphology 12
        abnormal middle ear morphology 0
          abnormal tympanic ring morphology 0
            absent tympanic ring 0
            decreased tympanic ring size + 0
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