| 21. | The defect is located just superior to the tympano-mastoid suture line in the posterior ear canal.
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| 22. | My mother ( now 91 ) & her sister both had " mastoids " when they were young.
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| 23. | The mastoid bone is completely ossified, lacking the openings that are present in most species of the genus.
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| 24. | The splenius capitis is deep to sternocleidomastoideus at the mastoid process, and to the trapezius for its lower portion.
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| 25. | Although handicapped as a child by a double mastoid infection she took up the violin at the age of eight.
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| 26. | The " N " indicates that the polarity of the component is negative with respect to an average mastoid reference.
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| 27. | The insertion is at each rib, cervical and thoracic vertebrae, and all the way up to the mastoid process.
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| 28. | The skull of the African subspecies has a larger crest between the mastoid process and the jugular process of the exoccipital.
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| 29. | If left untreated, the cholesteatoma can erode into the mastoid process, producing mastoiditis, as well as other complications.
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| 30. | It is called the tympanic antrum, and must be distinguished from the mastoid cells, though it communicates with them.
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