| 11. | The tympanic bulla, which encapsulates the middle ear, is also large.
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| 12. | Fluid build up following middle ear infections may cause this.
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| 13. | At the same time, diagnoses of middle ear infections and sinus infections are increasing.
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| 14. | Otitis media ( infection of the middle ear ) can threaten a child's hearing.
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| 15. | The stapes is the third bone of the three ossicles in the middle ear.
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| 16. | Also uniquely amongst tetrapods, the scolecomorphids lack a stapes bone in the middle ear.
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| 17. | Chronic infection of the middle ear can cause hearing impairment.
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| 18. | The mastoid air cell system is a major contributor to middle ear inflammatory diseases.
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| 19. | Admittance is how energy is transmitted through the middle ear.
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| 20. | These processes form notches that may be tympanic fossae, cavities of the middle ear.
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