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CROSS-SPECIES ANATOMY - ANNOTATIONS

The Basic subset of the UBERON integrated, cross-species anatomy ontology is downloaded weekly from http://berkeleybop.org/ontologies/uberon/basic.obo. For more information about this ontology see the "About" page on the UBERON website at http://uberon.github.io/about.html.
Term:internal acoustic meatus
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Accession:UBERON:0011859 term browser browse the term
Definition:The internal auditory meatus (also internal acoustic meatus, internal auditory canal, and internal acoustic canal) is a canal in the petrous bone of the temporal bone of the skull that carries nerves from inside the cranium towards the middle and inner ear compartments namely cranial nerve VII and cranial nerve VIII.
Comment:Alternate def: The internal acoustic meatus (or internal auditory meatus ) is an opening on the medial surface of the petrous temporal bone. It is through this passageway that the facial nerve (cranial nerve VII) and vestibulocochlear nerve (cranial nerve VIII) pass to reach their sites of innervation. The vestibulocochlear nerve divides at the internal acoustic meatus to continue as separate vestibular and cochlear components. [MURDOCH:908]
Synonyms:related_synonym: internal acoustic canal;   internal auditory canal;   internal auditory meatus;   porus acusticus internus
 xref: FMA:53163;   NCI:C95443;   SCTID:264484004;   UMLS:C0149591;   Wikipedia:Internal_auditory_meatus


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Term paths to the root
Path 1
Term Annotations click to browse term
  UBERON ontology 0
    anatomical entity 0
      material anatomical entity 0
        anatomical structure 0
          ectoderm-derived structure 0
            internal acoustic meatus 0
Path 2
Term Annotations click to browse term
  UBERON ontology 0
    anatomical entity 0
      material anatomical entity 0
        anatomical structure 0
          multicellular anatomical structure 0
            multicellular organism 0
              embryo 0
                embryonic structure 0
                  embryonic tissue 0
                    germ layer / neural crest 0
                      germ layer 0
                        ectoderm 0
                          ectoderm-derived structure 0
                            non-neural ectoderm 0
                              preplacodal ectoderm 0
                                neurogenic placode 0
                                  dorsolateral placode 0
                                    otic placode 0
                                      otic pit 0
                                        ear vesicle 0
                                          internal ear 0
                                            internal acoustic meatus 0
paths to the root