Biomedical subjects
S Csapó
Publications and source records attributed to S Csapó.
The ultrastructure of the round window membrane of the cat.
The ultrastructure of the round window membrane of the cat was investigated. Three distinct layers were recognised and described. It was established that the outer epithelial layer is non-ciliated, but often contains microvilli. The middle layer, under the basement membrane, contains a large amount of collagen and elastic fibres in addition to fibrocytes. The inner layer is a continuation of the epithelial layer of the perilymphatic space. The thickness of the membrane has been measured as being 15--20 micrometer. The latest human audiological and clinical observations concerning the function and rupture of the round window membrane emhasise the importance of the electron microscopic study of this membrane.
[Hearing- and vestibular functions after neonatal hyperbilirubinaemia (author's transl)].
Cochlear- and vestibular function were investigated in 72 patients, aged between 4 and 7 years who had neonatal hyperbilirubinaemia. Markedly more and more serious damage was found in the group of patients, who as neonates had serum bilirubin levels above 25 mg-%. The frequency of loss of cochlear and vestibular function was significantly higher in patients with hyperbilirubinaemia for more than 4 days. Contrary to data published until now, it can be concluded that the vestibular apparatus is the most sensitive part of the nervous system to bilirubin.
[Hearing and vestibular function tests following icterus gravis and streptomycin therapy].
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[The modern view of acute otitis media and its modern treatment on the basis of data on otitis].
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