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  • 1
    Digitale Medien
    Digitale Medien
    Cerebral neuroblastoma (1978)
    Springer
    Virchows Archiv 381 (1978), S. 1-11 
    Details
    ISSN: 1432-2307
    Schlagwort(e): Central neuroblastoma ; Electron microscopy ; Growth cone ; Primitive neural crest ; Neuronal cytogenesis
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary A cerebral neuroblastoma removed surgically from a female child is presented. Electron microscopy showed numerous neuronal processes with growth cones which are a feature of the developing neurone. In addition there were some rosettes with distinct lumina. The luminal surfaces were covered with a smooth plasma membrane lacking any surface differentiation and the lateral surface of these cells had many cell junctions (terminal bars), reminiscent of a primitive neural tube. These features in a nerve cell tumor help to substantiate it as a neuroblastoma arising from immature rather than differentiated cells. The nature of this rare tumor is discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00433481
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  • 2
    Digitale Medien
    Digitale Medien
    Target-targetoid phenomenon of the human muscle fibers (1977)
    Springer
    Virchows Archiv 375 (1977), S. 13-22 
    Details
    ISSN: 1432-2307
    Schlagwort(e): Target-targetoid phenomenon ; Histochemistry ; Electron microscopy ; Z-band alteration ; Incomplete innervation
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Target and targetoid fibers in a muscle biopsy from a patient with paralysis of the deltoid and supraspinatus muscles were studied by light and electron microscopy. The probable cause of the neuropathy was tumor compression. Target and targetoid change was exclusively confined to hypertrophic or normal-sized fibers. Morphometric evaluation of the target and targetoid fibers showed no significant difference between them. With the electron microscope, up to 4 structural zones were seen in the typical target fiber but many were devoid of either zone 2 (halo) or zone 3, or both. It was conceivable that focal irregularity and streaming of Z-bands were the primary alterations in the process of target-targetoid fiber formation, and that this phenomenon was induced both by partial residual innervation as well as re-innervation.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00430641
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  • 3
    Digitale Medien
    Digitale Medien
    Ultrastructure of neurofibrillary tangles in progressive supranuclear palsy (1979)
    Springer
    Acta neuropathologica 48 (1979), S. 27-30 
    Details
    ISSN: 1432-0533
    Schlagwort(e): Progressive supranuclear palsy ; Neurofibrillary tangles ; Ultrastructure ; Straight tubule ; Twisted tubule
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary The fine structure of neurofibrillary tangles in the hippocampal gyrus, substantia nigra, pontine nuclei and locus coeruleus of the brain was postmortem studied in a case of progressive supranuclear palsy. Straight tubules and twisted tubules were observed in both the cortical and subcortical neurofibrillary tangles. Most tubules appeared separately in each neuron but a few straight tubules were mixed with the twisted tubules in the cortical tangles. The implication and possible significance of this findings are discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00691787
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  • 4
    Digitale Medien
    Digitale Medien
    Corpora amylacea in the peripheral nerve axons (1977)
    Springer
    Acta neuropathologica 37 (1977), S. 73-76 
    Details
    ISSN: 1432-0533
    Schlagwort(e): Corpora amylacea ; Lafora body ; Intraneuritic ; Glycogen granule ; Axonal degeneration
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Deposits similar to corpora amylacea were observed by electron microscopy within myelinated axons in the peripheral nerves in a case of familial spastic paralysis. Ultrastructurally the deposits consisted of randomly interlacing short filaments which were closely related to glycogen granules present in the periphery of the deposits. A possible relationship between the filamentous structures and glycogen granules is discussed. The significance of this inclusion and of related bodies is also discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00684544
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  • 5
    Digitale Medien
    Digitale Medien
    Primary rhabdomyosarcoma of the cerebrum (1979)
    Springer
    Acta neuropathologica 45 (1979), S. 111-115 
    Details
    ISSN: 1432-0533
    Schlagwort(e): Brain tumor ; Rhabdomyosarcoma ; Mesenchymal cell ; Myotube ; Ultrastructure
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary A case of primary cerebral rhabdomyosarcoma in a 51-year-old female is reported. The histogenesis of this tumor is discussed. The clinicopathological features of 10 previously reported similar tumors of the CNS are briefly reviewed. Histologically the tumor was polymorphic, but composed of poorly differentiated cells interpreted as rhabdomyoblasts without definite cross-striation. Electron microscopy established that the poorly differentiated cells were of rhabdomyosarcomatous nature, compatible with presumptive myoblasts and analogous to developing fetal muscle.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00691888
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  • 6
    Digitale Medien
    Digitale Medien
    Infantile neuroaxonal dystrophy (1978)
    Springer
    Acta neuropathologica 41 (1978), S. 257-259 
    Details
    ISSN: 1432-0533
    Schlagwort(e): Infantile neuroaxonal dystrophy ; Sural nerve biopsy ; Electron microscope ; Schwann cell inclusions
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Abnormal Schwann cell inclusion is reported in biopsied peripheral nerve in a cases of infantile neuroaxonal dystrophy. In addition to non-specific dystrophic changes of the axons, the Schwann cells contained several distinct bodies which were composed of stacks of irregularly disposed membranes; in some instances, transformed Schwann cell cytoplasm was distinded with similar bodies. This change has not been reported on this condition and its significance is briefly discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00690446
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  • 7
    Digitale Medien
    Digitale Medien
    Crystalloid inclusions reminiscent of Hirano bodies in autolyzed peripheral nerve of normal Wistar rats (1979)
    Springer
    Acta neuropathologica 47 (1979), S. 231-236 
    Details
    ISSN: 1432-0533
    Schlagwort(e): Hirano bodies ; Peripheral nerve ; Autolysis ; Wistar rat
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary In a study of experimental autolysis of peripheral nerves of normal Wistar rats, crystalloid inclusions similar to Hirano bodies were observed. They occurred in the nuclei and cytoplasms of Schwann cells and in myelinated axons. They first developed after a 12-h autolysis and increased in number and size with time. Their fine structure, localization, and morphogenesis are discussed in relation to the autolysis of the cellular organelles.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00690551
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  • 8
    Digitale Medien
    Digitale Medien
    Magnetic moment of the 2140.2 keV 5− state in136Ba (1979)
    Springer
    Hyperfine interactions 7 (1979), S. 103-107 
    Details
    ISSN: 1572-9540
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract We have determined theg-factor of the 2140.2 keV 5− state of136Ba using the timeintegral perturbed angular correlation (IPAC) method at an external magnetic field of 17.0 kG;g=−0.38±0.04. The half-lives of the 2140.2 keV 5− and 2207.1 keV 6+ states were redetermined to be 1.5±0.1 ns and 3.1±0.1 ns, respectively. The radioactive source of136Cs was prepared by the138Ba(γ, pn) reaction.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01021496
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  • 9
    Digitale Medien
    Digitale Medien
    Reaktion von NO2 mit Nylon 66 (1975)
    Springer
    Colloid & polymer science 253 (1975), S. 340-340 
    Details
    ISSN: 1435-1536
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Maschinenbau
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02352149
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