Pathological and surgical observations on the diseases of the ear / [Joseph Toynbee].

  • Toynbee, Joseph, 1815-1866
Date:
1841
Catalogue details

Licence: Public Domain Mark

Credit: Pathological and surgical observations on the diseases of the ear / [Joseph Toynbee]. Source: Wellcome Collection.

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    the anterior crus of the stapes to the wall of the tympanum. No. XVI. From an adult. The left ear.—The meatus externus contains a considerable quantity of cerumen mixed with epi¬ thelium. The membrana tympani is not quite so transpa¬ rent as natural. The cavity of the tympanum.—The mucous membrane is somewhat opaque, and a membranous band connects the neck of the stapes to the mem¬ brana tympani. Nos. XVII. and XVIII. From a child. In both ears the meatus externus and the mem¬ brana tympani are healthy. The mucous membrane of both tympanic cavitie is thin and transparent, and the lower margin of the fenestra ovalis is distinctly seen; there are delicate bands connecting the upper surface of the crura of the stapes to the surrounding mucous membrane. No. XIX. From a man set. twenty-seven, who died of consumption, with a disease of the bone of the right ear. The left ear.—The membrana tympani has been removed. The cavity of the tympanum.—Its investing membrane is thin and very delicate : a delicate, firm membranous thread connects the upper surface of the posterior crus of the stapes with the supe- % rior wall of the tympanic cavity. The stapes how¬ ever seems to possess its natural mobility.