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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 tubotympanic recess morphology
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Accession:MP:0030227 term browser browse the term
Definition:any structural morphology of the elongate recess derived from the first pharyngeal pouch; its distal part contributes to the formation of the tympanic membrane, its proximal part elongates to form the auditory tube, and its cavity gives rise to the tympanic cavity and mastoid antrum

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  mammalian phenotype 5415
    hearing/vestibular/ear phenotype 23
      abnormal ear morphology 12
        abnormal middle ear morphology 0
          abnormal tubotympanic recess morphology 0
            absent tubotympanic recess 0
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