Deaf-mutism / by Holger Mygind.

  • Mygind Holger, 1855-1928.
Date:
1894
Catalogue details

Licence: Public Domain Mark

Credit: Deaf-mutism / by Holger Mygind. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

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    LXXXIII.—Krombholtz, 1827 [37, p. 20].—Sex and age not stated ; the ossicula auditus were uncommonly small and anchy- losed. The walls of the semicircular canals were very thin (as in a foetus) and partly missing. LXXXIV.—Mackeprang and Larsen, S. E., 1829 [216, speci- mens Nos. 18 and 19]. A male, aged 18, who died from tuberculosis. R., the posterior and external semicircular canals were filled with osseous tissue. L., the internal auditory meatus was uncommonly wide. LXXXV.—Ibsen and Mackeprang, 1830 [216, specimens Nos. 26 and 27]. A male, aged 18, who died from scarlet fever. The posterior semicircular canal to its greatest extent was filled with an osseous mass. L., the external orifice of the aqu^ductus cochlea3 was very wide, and situated on the posterior surface of the petrous bone. LXXXVL—Cock, Edw., 1832 [45, p. 154]. A child, sex unknown, who died from tuberculosis. Tuberculous inflamma- tion of the tympanic cavity existed. The superior and the posterior semicircular canals were closed in their middle portion. (Only the one side was examined). LXXXVIL—Muller (I. G. M. ?), 1832 (?) [40 p. 166]. A girl, aged 14, who died from nerve fever. There was asym- metric construction of the cranium, and the auditory nerve was uncommonly thin and weak. LXXXVIII.—MC-LLER (I. G. M. ?), 1832 (?) [40, p. 166]. A boy, aged 10, who died from inflammatory catarrhal fever and hydrocephalus: The incus was absent. The auditory nerve was also absent. L., the membrana tympani was ossified; the tympanic cavity being uncommonly large, and filled with pus and attacked by caries. The Eustachian tube was closed. LXXXIX.—M€ller(I. G. M. ?), 1832 (?) [40, p. 167] - A girl, aged 14, with very weak intellect; died from abdominal con- sumption. The post-mortem examination revealed watery effusion in the cerebral cavities. The ossicles were partly des- troyed by caries. R., the membrana tympani was very thin, and the tympanic cavity was filled with caseous matter. L., Caries of the labyrinth was present. Only traces of the auditory nerve were found.