bn:00894068n
Noun Concept
Categories: Bones of the head and neck, Ear
EN
mastoid antrum  antrum mastoideum  mastoid cavity  tympanic antrum  Valsalva's antrum
EN
The mastoid antrum is an air space in the petrous portion of the temporal bone, communicating posteriorly with the mastoid cells and anteriorly with the epitympanic recess of the middle ear via the aditus to mastoid antrum. Wikipedia
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EN
The mastoid antrum is an air space in the petrous portion of the temporal bone, communicating posteriorly with the mastoid cells and anteriorly with the epitympanic recess of the middle ear via the aditus to mastoid antrum. Wikipedia
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