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  • 1
    Electronic Resource
    Electronic Resource
    Age-related morphologic changes of the central canal of the human spinal cord (1999)
    Springer
    Acta neuropathologica 97 (1999), S. 253-259 
    Details
    ISSN: 1432-0533
    Keywords: Key words Aging ; Spinal canal ; Histology ; Spinal cord ; Syringomyelia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract To elucidate the role of the human central canal on the physiology and pathogenesis of acquired syringomyelia, we analyzed the age-related morphologic changes in the normal human central canal of the spinal cord. The subjects included 158 autopsy cases ranging in age from 1 week postnatally to 116 years of age. Each segment of the whole spinal cords was investigated from the C3 to S3 levels. The microscopic pictures of the central canal were classified as patent or occluded at each level for each age decade. The patency rate under 1 year of age was 100% in almost all the segments, which markedly decreased in the second decade, and the canals were occluded in all the segments with advancing age. According to the longitudinal pattern of the central canal occlusion, 19 of 20 cases where the canals were patent in all segment levels were less than 10 years of age. Cases in which the canals were occluded in all segment levels appeared in the second decade, and their number increased gradually with advancing age. The occlusion of the central canal started at the T6 and L5 to S2 levels. We suggest that the central canal does not function after infancy because of its occlusion, and that it is not involved in the development of syringomyelia in adult patients.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004010050982
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Possible mechanism of anhidrosis in a symptomatic female carrier of Fabry's disease: an assessment by skin sympathetic nerve activity and sympathetic skin response (1996)
    Springer
    Clinical autonomic research 6 (1996), S. 107-110 
    Details
    ISSN: 1619-1560
    Keywords: Fabry's disease ; symptomatic female carrier ; anhidrosis ; skin sympathetic nerve activity ; sympathetic skin response
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Fabry's disease, X-linked α-galactosidase deficiency, features a variety of autonomic abnormalities including anhidrosis. In this study, we measured the skin sympathetic nerve activity (SSNA), skin potential and sweat rate in a symptomatic female carrier to investigate the underlying pathophysiology of anhidrosis. The basal activity and responsiveness of SSNA were both fairly well preserved, although slightly reduced compared with the control levels. However, sweating was completely absent, despite the normal skin potential change in response to SSNA bursts. These results suggest that anhidrosis in Fabry's disease is a result of sweat gland dysfunction as well as abnormal SSNA.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02291231
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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