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1. The ear canal also named middle ear splays out at the external position.

2. There is further evidence that untreated middle ear disease in childhood may have permanent effects.

3. An inflammation in the middle ear called otitis media can cause temporary or even permanent hearing loss.

4. Surgical repair or reconstruction of the middle ear.

5. Sound transmission in middle ear and microphonic potential.

6. Of or relating to the middle ear or eardrum.

7. Pneumococcus tympanitis (middle ear infection) the incipient symptoms are an earache, has a fever, as well as grasps the ear frequently.

8. The deformities of the external and middle ear and their interrelations with embryology were analysed.

9. The tube extends from the middle ear to the back of the throat, above the palate.

10. Sinus and middle ear barotrauma are the most common dive - related injuries.

11. To obtain this objective, an air-filled and mucosa-lined middle ear space with satisfactorily mobile ossicles should be reconstructed.

12. Mean hearing thresholds are related mainly to the presence or absence of fluid in the middle ear.

13. Vibrations or sound waves cause the eardrum to vibrate and these vibrations move through the middle ear to the inner ear.

14. Three rats in the low fibre diet group suffered from middle ear infections and were removed from the study.

15. Microtympanometry, a sensitive method of diagnosing effusions of the middle ear, could help them in this.

16. When the cause of deafness is not solely in the outer and/or middle ear, high frequencies are likely to be affected.

17. In fact, an ear infection alone can cause sudden severe pain as fluid builds up in the middle ear.

18. Result:Four kinds of cells concluding ciliated cell, no secretory granule and no ciliated cell, no ciliated cell with secretory granule and platycyte were found in fetal middle ear epithelium mucosa .

19. Results: The results showed that the effusion of the middle ear decrease the amplitude of stapes footplate and umbo, weaken the incoming energy of the inner ear, thus leading to hearing loss.

20. Objective:To investigate the influence of drying the ear canal by cleaning the focus of infection in the posterior tympanum in middle ear operations.

21. Pupilary light reflex, Physiological function of rod and cone, Photosensory transduction mechanism of rod; Sound transmission in middle ear and microphonic potential.

22. Conclusion TEOAE is more sensitive than audiogram and acoustic immittance in the diagnosis of middle ear disorders.

23. Many scholar have different opinions about clinical relationship between negative pressure tympanogram and middle ear effusion.

24. Objective To assess the curative effect of a continuous gentamicin infusion into the middle ear via a micromedicine infusion pump for the intractable Meniere's disease.

25. We are aware that at the end of the central hole in this outer ear there is something called the middle ear, with an eardrum and a few little bones.

26. During this surgery are placed in the eardrums to relieve pressure in the middle ear.

27. This thesis introduces the measuring principle, device composition and main functions of an intelligent acoustic impedance middle ear analyzer.

28. On correlating dynamic ET endoscopy findings in 60 of 63 ears in the case group with middle ear manometry[http://Sentencedict.com], we noticed that 38 ears showed complete agreement and 22 ears showed disagreement.

29. Sudden onset of CSF otorrhea owing to brain herniation into the middle ear cavity via a tegmen defect presenting many years following head trauma is rare.

30. Objective : To study the CT features and to improve the knowledge of cholesteatoma of middle ear.