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  • 1990-1994  (4)
  • high performance liquid chromatography  (2)
  • 3,4-dihydroxyphenylacetic acid  (1)
  • Aligator plate  (1)
  • Area  (1)
Material
Years
  • 1990-1994  (4)
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Anatomy and embryology 181 (1990), S. 19-30 
    ISSN: 1432-0568
    Keywords: Prestriate cortex ; Pulvinar ; Area V4 ; Area ; DP ; Temporo-basal association cortex
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The afferent and efferent connections of the prelunate visual association area V4 of macaque monkeys were investigated by means of the horseradish peroxidase (HRP) method. The specific thalamic afferents from the dorsolateral segment of the medial pulvinar and the lateral segment of the inferior pulvinar were topographically organized. A band of cells was labelled in the intralaminar nuclei (nucl. centr. med. and lat., reaching into LD and the most dorsal part of VL), and a few cells in the interlaminar layers of the lateral geniculate body. Other diencephalic afferents included the claustrum, the nucleus basalis Meynert and the pars compacta of the substantia nigra. Ipsilateral cortical areas which projected into V4 included area 18 (V2), the inferior parietal cortex, the anterior and posterior parts of the superior temporal sulcus, the frontal eye fields and the temporo-basal association cortex on the lateral half of the parahippocampal gyrus and around the occipito-temporal sulcus. In the contralateral cortex, discontinuous regions in areas V4 and V5 on the prelunate gyrus and some cells at the 17/18-border were labelled. All regions in which labelled cells were found and, in addition a restricted region in the dorsal cap of the head and the tail of the caudate nucleus showed fibre and terminal labelling. In addition mesencephalic afferents and efferents were identified but not investigated in detail. An attempt to estimate the quantitative contribution of the various afferent systems to the prelunate cortex was made by counting the labelled cells in the different areas. The afferent and efferent organization of the prelunate visual association area indicates that it is incorporated in a network of cortical and subcortical regions involved in various aspects of visual behavior.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 46 (1990), S. 290-292 
    ISSN: 1420-9071
    Keywords: In vivo microdialysis ; stress ; noradrenaline release ; hypothalamus ; high performance liquid chromatography ; rat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The hypothalamic microdialysis of conscious rats was used to investigate the effects of immobilization stress (20 min) on extracellular noradrenaline(NA) levels. The stress significantly increased NA levels relative to basal efflux by 106% and this elevation continued for 40 min after release from stress.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1420-9071
    Keywords: In vivo microdialysis ; striatum ; noradrenaline ; L-threo-3,4-dihydroxyphenylserine ; dopamine release ; 3,4-dihydroxyphenylacetic acid ; homovanillic acid ; high performance liquid chromatography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The effect of L-threo-3,4-dihydroxyphenylserine (L-threo-DOPS) on dopamine (DA) release and metabolism in the striatum was studied in freely moving rats by intracerebral microdialysis techniques. The DA level as well as the levels of 3,4-dihydroxyphenylacetic acid and homovanillic acid were significantly decreased 140 min after the administration of L-threo-DOPS (50 mg/kg intraperitoneally). The results suggest that L-threo-DOPS inhibits the release and metabolism of DA in the striatum.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-0932
    Keywords: Rachis cervical ; Arthrodèse postérieure ; Instrumentation ; Arthrodèse par plaques ; Plaques “Alligator” ; Instabilité cervicale ; Cervical spine ; Posterior fusion ; Instrumentation ; Posterior fixation ; Plate fixation ; Aligator plate ; Cervical instability
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary We have designed a new type of clamping plate called the “Alligator plate” for posterior cervical spinal fixation and used it in some cases with cervical instability. Seventeen patients with cervical instability treated by posterior cervical fixation using Alligator plate were clinically evaluated. As a control group, 21 patients treated by a wire fixation method (cerclage) were also evaluated. Clinical results were evaluated radiographically on dynamic flexion-extension lateral radiographs with confirmation of the fusion mass on oblique-view radiographs. The results of Alligator plate fixation were excellent in 15 patients, good in one and poor in one. The results of wire fixation were excellent in 15 patients, good in three, fair in one and poor in two. A safe and simple alternative instrumentation, the Alligator plate has sufficient stability to be useful for treating instability of the lower cervical spine.
    Notes: Résumé Nous avons créé un nouveau type de plaque à machoire appelée plaque “Alligator” destinée à l'arthrodèse postérieure du rachis cervical et nous l'avons appliquée à quelques cas d'unstabilité cervicale. L'évaluation clinique a porté sur 17 cas présentant une instabilité cervicale traitée par arthrodèse postérieure à l'aide de plaques “Alligator”. L'évaluation a aussi porté sur un groupe témoin comportant 21 cas traités par la méthode du cerclage. Les résultats cliniques ont été évalués radiologiquement d'après les clichés dynamiques de profil en flexion-extension, et confirmation de la fusion osseuse sur les radios de profil. Les résultats obtenus dans le groupe traité par les plaques “Alligator” ont été excellents chez 15 patients, bons chez l'un et mauvais chez un autre. Les résultats obtenus avec le cerclage ont été excellents chez 15 patients, bons chez trois, passables chez un et mauvais chez deux. La plaque “Alligator” représente une alternative intéressante en matière d'implants cervicaux; elle est d'une stabilité suffisante et peut se montrer de ce fait utile dans le traitement de l'instabilité du rachis cervical inférieur.
    Type of Medium: Electronic Resource
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