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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:absent otoliths
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Accession:MP:0002978 term browser browse the term
Definition:absence of the crystalline calciferous particles adhering to the otolithic membrane
Synonyms:exact_synonym: absent ear crystals;   absent otoconia;   absent otoconial crystals;   absent statoconia;   absent statoliths

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  mammalian phenotype 1
    hearing/vestibular/ear phenotype 0
      abnormal ear morphology 0
        abnormal inner ear morphology 0
          abnormal membranous labyrinth morphology 0
            abnormal vestibular labyrinth morphology 0
              abnormal otolithic membrane morphology 0
                abnormal otolith morphology 0
                  decreased otolith number 0
                    absent otoliths 0
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