A treatise on the diseases of the ear including the anatomy and physiology of the organ together with the treatment of the affections of the nose and pharynx which conduce to aural disease.
- Hovell, Mark, 1853-1925
- Date:
- 1894
Licence: Public Domain Mark
Credit: A treatise on the diseases of the ear including the anatomy and physiology of the organ together with the treatment of the affections of the nose and pharynx which conduce to aural disease. Source: Wellcome Collection.
Provider: This material has been provided by the Harvey Cushing/John Hay Whitney Medical Library at Yale University, through the Medical Heritage Library. The original may be consulted at the Harvey Cushing/John Hay Whitney Medical Library at Yale University.
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![CHAPTER II. The Sound-Conducting Apparatus {continued)— The Middle ]']aii or Tympanum Position, Contents, and Boundaries of Tympanum, 24. Mem- brana Tymi)ani, its Size, Direction, Colour, and Structure, 2o. External, Middle, and Internal Layers, 27. Shrapnells ^Membrane, 29. Vessels and Nerves, 29. Inner Wall of Tympanum, 30. The Posterior Wall, 31. The Anterior AVall, 31. The Roof or Cranial Wall, 31. The Floor or Jugular Wall, 31. Dimensions of the Tympanum, 32. Functions of the Membrana Tyrapani, 32. The Ossicles, 33. Their Ligaments and Articulations, 35. Movements of the Ossicles, 3o. Muscles of the Tympanum, the Tensor Tympani, and the Stapedius, 38. Lining Membrane of the Tympanum, 42. The Tympanum in the Foetus, 44. Vessels and Nerves of the Tympanum, 45. The Eustachian Tube, its Osseous, Cartilaginous, and Membranous Portions, 47. Mucous Membrane, 49. The Pharyngeal Opening, 'y2. The Eustachian Tube in Children, 52. Muscles, Fasciae, and Ligaments connected with the Tube, 53. Vessels and Nerves, 55. Functions of the Tympanum and Eustachian Tube, 55. The Mastoid Portion of the Temporal Bone : the Mastoid Cells, Description and Function, 57. page 24—(J2 CHAPTER III. The Examination of Patients Suffering from Aural Affections. General Symptoms and Causes Investigation of History of Case, (io. Points to be Ascertained, 64. Influence of Age, Occupation, and Surroundings, 64. Duration of Symptoms, 65. Injuries as a Cause, 65. Pre- '\'ious Diseases, 66. Hereditary Predisposition, 66. Pain as a Symptom, 67. A'ertigo, 67. Subjective Auditory Sensations, 67. 63—69 CHAPTER IV. The Examination of the Ear and Determination of the Hearing-Power 70- Examination of the Ear, 70. Sources of Light, 70. Mirrors, 73. Use of Specula, 75. Brunton's Auriscope, 75. Other Forms, 77. Methods of Using, 78. Points to be Noticed, 79. The Membrana Tympani, Normal Appearance, 79 Parts Seen Through it, 80. The Cone of Light, 80. Mobility of Membrane, 81. Use of Siegle's Speculum, 81. Division of the Membrane into Quadrants, S-2. Determination of Hearing-Power, 82. Use of the Watch, 83. Formula for S)o](https://iiif.wellcomecollection.org/image/b21019423_0010.jp2/full/800%2C/0/default.jpg)
