The Anatomy of the human ear : illustrated by a series of engravings, of the natural size : with a treatise on the diseases of that organ, the causes of deafness, and their proper treatment / by the late John Cunningham Saunders.

  • Saunders, John Cunningham, 1773-1810.
Date:
Dublin :
Catalogue details

Licence: Public Domain Mark

Credit: The Anatomy of the human ear : illustrated by a series of engravings, of the natural size : with a treatise on the diseases of that organ, the causes of deafness, and their proper treatment / by the late John Cunningham Saunders. Source: Wellcome Collection.

Provider: This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.

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    labyrinth is closed except at the upper part, where a small foramen, which is the beginning of the Stylo-mastoid canal, ap- pears. Immediately below this foramen, two cribriform plates are placed, the upper op- posite to a portion of the semi-elliptical cavity of the Vestibule, the lower to the hemispherical. A little lower, and separated by a slight ridge, a cribriform sulcus is continued to a round concave cribriform plate, the base of the Modiolus of the Cochlea. The Vestibule, semicircular Canals, and the Cochlea, are lined with a delicate Pe- riosteum. They contain also a membra- nous texture, formed into sacs and tubes, and filled with a transparent fluid, similar to the aqueous humour of the Eye. The membranous sacs and tubes are smaller than the osseous cavities which contain them, but exactly correspond in shape. They adhere very slightly to the