The report of an examination of both temporal bones from a hundred and twenty individuals in reference to the question of symmetry in health and disease / Arthur Cheatle.

  • Cheatle, Arthur.
Date:
[1912]
Catalogue details

Licence: In copyright

Credit: The report of an examination of both temporal bones from a hundred and twenty individuals in reference to the question of symmetry in health and disease / Arthur Cheatle. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

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    widely into tlie outer wall of the vestibule. A small tubercle on the upper part of the sloping posterior wall of the cavity represents the only attempt at the formation of the normal partition. The canals on the left side are normal. B. IN DISEASE. (i) Injuries. Fracture through the bone is seen in three sets only. 1. 23. The right bone of a male, aged 20 years. The fracture passes through the middle ear and posterior part of the labyrinth dividing the facial nerve. 2. 180. The left bone of a male, aged 59 years. The fracture passes through the middle ear, meatus, and mastoid cells just externally to the external semi-circular canal. The facial nerve is not divided. 3. 184. The left bone of a male, age 60 years. The fracture passes right across the bone just externally to the external semi-cir- cular canal, dividing the facial nerve in its descending course. (ii) Changes in hone. (a) Exostoses in the meatus on both sides more marked on the right in— Hi M. 57. (5) A sessile exostosis is present on the inner wall of a large cell in the lower mastoid of the right bone of— 179 M. 599. (c) Hyperostosis of the tympanic plate on both sides, in— 3