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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 vestibular labyrinth morphology
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Accession:MP:0004427 term browser browse the term
Definition:any structural anomaly in the portion of the membranous labyrinth concerned with the sense of equilibration (vs. the cochlear labyrinth, which is concerned with the sense of hearing) and innervated by the vestibular nerve; it is located within the semicircular canals and vestibule of the bony labyrinth, and consists of the utricle, saccule, and the semicircular, utriculosaccular, and endolymphatic ducts
Synonyms:exact_synonym: abnormal labyrinthus vestibularis;   abnormal vestibular organ morphology

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  mammalian phenotype 8
    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 endolymphatic duct morphology + 0
              abnormal otolith organ morphology + 0
              abnormal otolithic membrane morphology + 0
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