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  • 1
    ISSN: 1432-0533
    Keywords: Juvenile Parkinson's disease ; Classical Parkinson's disease ; Clinico-pathological comparison ; Lewy body distribution ; Dementia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A clinico-pathological case report on a case of juvenile Parkinson's disease (JPD) with widespread Lewy bodies (LBs) in the brain is presented with comparative morphological studies on two demented cases of “classical” Parkinson's disease (CPD) with disease onset at an older age. The clinical and histological pictures of this JPD case were typical of Parkinson's disease, excepting numerous Lewy bodies in the cerebrum. There were no neurofibrillary change nor senile plaques throughout the CNS. The distribution and histochemical and ultrastructural characters of the histological lesions (i.e., LBs) in the JPD and the two CPD cases were investigated and compared. The comparison showed no qualitative but only quantitative differences between the two types of Parkinson's disease. The present study also revealed that in CPD cases significant numbers of LBs could be present in the cerebral cortex, amygdaloid and claustrum. These lesions can be in part responsible for dementia in CPD.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 66 (1988), S. 724-728 
    ISSN: 1432-1440
    Keywords: NaCl intake ; Glucose tolerance ; Na+ dependent glucose absorption ; Intracellular Na+ concentration ; Plasma Na+, K+-ATPase inhibitor
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The effects of low and high NaCl diets on plasma glucose and insulin responses to glucose ingestion were investigated in 15 patients with essential hypertension. Oral glucose (75 g) tolerance tests were carried out while patients were taking diets with low (2 g/day) and high (20 g/day) NaCl content. Fasting plasma glucose and insulin levels were both significantly lower during ingestion of the high NaCl diet (p〈0.05). After glucose ingestion, the incremental areas under the two hour plasma glucose and insulin curves were significantly smaller during ingestion of the high NaCl diet (glucosep〈0.005 and insulinp〈0.025). These findings that low NaCl diets increase the glycemic response to glucose loads suggest that use of NaCl restriction for the treatment of essential hypertension may not always be desirable.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 147 (1988), S. 584-587 
    ISSN: 1432-1076
    Keywords: Pituitary dwarfism ; Short stature ; Growth hormone ; Growth hormone-releasing hormone
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The correlation between a releasable pituitary growth hormone (GH) pool and degree of growth failure was examined in 30 children with GH deficiency (group I) and 19 children with normal short stature (group II). Based on the responsiveness of GH to GH-releasing hormone (GHRH), group I, with low GH responses (below 7 ng/ml) to both insulin and arginine, was classified into three subgroups; Ia (peak value less than 10 ng/ml, n=19), Ib (10–20 ng/ml, n=5) and Ic (above 20 ng/ml, n=6). Group II, with a GH response above 10 ng/ml to either insulin or arginine, was also divided into IIa (below 20 ng/ml, n=5) and IIb (above 20 ng/ml, n=14). Body length and growth velocity in Ia and Ib were significantly reduced vs Ic; bone age in Ia was retarded vs Ic; plasma somatomedin C (Sm-C) levels in Ia and Ib were decreased vs Ic, who had almost normal levels (0.90±0.55 U/ml). The incidence of other combined pituitary hormone deficiencies and previous perinatal distress was definitely high in Ia and Ib, but zero in Ic. In group II also, body length and growth velocity were significantly decreased in IIa vs IIb (P〈0.01). These results indicate that [1] the pituitary reserve of GH estimated by GHRH is a good reflection of the degree of growth failure in GH-deficient children as well as in those of normal short stature, [2] hypothalamic GHRH deficiency tends to have a milder effect on growth retardation than pituitary GH deficiency, and [3] normal short children with a diminished GH reserve may be potential candidates for the GH treatment.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 10 (1988), S. 11-16 
    ISSN: 1279-8517
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Conclusion Nous avons essayé de faire une analyse systématique du système lymphatique du pancréas en nous basant sur le résultat de la dissection extrêmement minutieuse de 4 sujets adultes. Nous avons pu confirmer le résultat de la plupart des travaux précédents et préciser quelques points auparavant mal définis. Il est très difficile de standardiser une technique de curage lymphatique car de très nombreux facteurs entrent en jeu au moment de l'intervention. Choisir la technique chirurgicale idéale implique une excellente connaissance de la topographie des vaisseaux et des nœuds lymphatiques régionaux. Bien que notre travail soit loin d'être exhaustif, nous espérons que les propositions avancées pourront servir de base au traitement chirurgical radical des cancers du pancréas et des organes de voisinage.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 10 (1988), S. 121-135 
    ISSN: 1279-8517
    Keywords: Pancreas ; Lymphatic system ; Cancer ; Macroscopic anatomy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Une étude détaillée du drainage lymphatique du pancréas a été effectuée afin de poser les bases théoriques d'un curage lymphatique idéal dans la chirurgie d'exérèse du cancer. Une dissection minutieuse des lymphatiques a permis d'obtenir le résultat suivant. Trois voies de drainage principales ont été identifiées: la voie supérieure appartient à la chaîne hépatique commune, les voies moyenne et inférieure rejoignent le groupe ganglionnaire mésentérique supérieur. Tous ces drainages se terminent dans un nœud lymphatique situé à droite de l'origine du tronc cœliaque et de l'artère mésentérique supérieure. Les lymphatiques provenant du col du pancréas convergent également vers le même nœud. Derrière celui-ci existe un autre lymphonœud où se terminent les lymphatiques provenant de la face postérieure de la tête. Ces 2 nœuds adhèrent intimement l'un à l'autre, séparés seulement par le plexus nerveux de la tête du pancréas. Dans ce travail, nous avons utilisé pour ces nœuds les termes de lymphonœud cœliaco-mésentérique droit superficiel et profond. Deux voies de drainage distinctes ont été identifiées au niveau de la moitié gauche du pancréas. L'une longe les vaisseaux spléniques et l'autre accompagne l'artère pancréatique inférieure. Par ces 2 voies différentes les lymphatiques de la moitié gauche du pancréas se terminent dans un nœud situé à gauche de l'origine du tronc cœliaque et de l'artère mésentérique supérieure. Nous l'avons appelé le lymphonœud cœliaco-mésentérique gauche. A partir de ces relais lymphatiques situés de part et d'autre de l'origine des deux artères, des vaisseaux efférents se dirigent vers les nœuds juxta-aortiques: du côté droit, les lymphatiques efférents rejoignent les nœuds inter-aortico-veineux situés au-dessus et en dessous de l'abouchement de la veine rénale gauche dans la veine cave inférieure; du côté gauche ils rejoignent les nœuds latéro-aortiques gauches situés au-dessus et en dessous de la veine rénale gauche; à partir de ces relais les voies efférentes rejoignent l'espace rétro-aortique où elles forment un courant lymphatique ascendant. Notre travail n'a pas permis de découvrir des vaisseaux lymphatiques communiquant avec le système rétro-aortique au-dessus du niveau des artères rénales.
    Notes: Summary A detailed study of the lymphatics around the pancreas was carried out in order to provide a theoretic basis for ideal lymph-node resection in radical cancer operations. The following results were obtained as a result of minute macroscopic dissection of the lymphatics. Three major pathways are identified on the anterior surface of the head of the pancreas. The upper pathway belongs to the common hepatic group. The middle and lower routes are associated with the superior mesenteric nodal group. All these pathways terminate in the node situated to the right of the origins of the celiac trunk and the superior mesenteric artery. The lymphatics arising from the neck of the pancreas also converge at the same node. Behind this node, there is a terminal node for the lymphatics which arise from the posterior surface of the head. Both nodes are firmly adherent, with only the nerve plexus of the head of the pancreas intervening. In this study, we have named these lymph-nodes Lnn celiacomesenterici dextri superficialis et profundi. Two distinct pathways are identified in the left half of the pancreas. One follows the splenic blood vessels and the other accompanies the inferior pancreatic artery. By way of these routes, lymphatics from the left half of the pancreas terminate in the node situated to the left of the origins of the celiac trunk and superior mesenteric artery. We have applied the term Ln celiacomesentericus sinister to this node. From these lymphatic terminalis on both sides of the origins of the two arteries, efferent vessels are sent to the abdominoaortic nodes: on the right side, efferents reach the inter-aorticovenous nodes lying in the upper and lower angles formed by the inferior vena cava and the left renal vein; and on the left side, they arrive at the left latero-aortic nodes lying above and below the left renal vein. The efferents of these nodes then extend to the retro-aortic space, where they compose an ascending lymphatic system. Our study revealed no lymphatic vessels communicating with the retro-aortic system at levels above the renal arteries.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 64 (1988), S. 6050-6052 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Ultrathin Co-based amorphous ribbons with a thickness of 6–10 μm were fabricated by a single roller quenching method in vacuum. The compositions of the alloys were zero magnetostrictive: Fe4.7Co70.3Si15B10 and (Fe0.05Co0.95)71(Si0.5B0.5)29. The ribbons obtained had good smoothness and dimensional uniformity. The core loss of toroidal samples 15 mm in diameter was measured after annealing. The loss decreased with decreasing ribbon thickness. In the case of 6.4-μm-thick (Fe,Co)71(Si,B)29 amorphous ribbon, the values at 100 kHz and 1 MHz were 40 mW/cm3 and 1.8 W/cm3 for Bm=0.1 T, respectively. The former was 1/4 that of Mn-Zn ferrites or 1/2 that of 5-μm-thick Supermalloy tape wound core loss. The latter was (2)/(3) that of 5-μm Supermalloy tape wound core loss. In addition, the initial permeability beyond 100 kHz was also markedly improved by thickness reduction. The values of 6.4-μm-thick (Fe,Co)71(Si,B)29 ribbon measured at 1 and 10 MHz were about 7000 and 1000 for Hm=2 mOe, respectively.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 63 (1988), S. 3856-3858 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The compositional dependence of recording-power sensitivity and recording-noise characteristics of TbFeCo and TbDyFeCo films have been studied systematically. The sensitivity depends on the compositional ratio of rare earth (RE) and transition metal (TM) rather than on Co content. This is explained by the fact that the temperature at which the coercive force (Hc ) coincides with the bias magnetic field of 500 Oe, hereafter denoted as T', varies drastically by altering the RE-to-TM ratio. High recording noise is observed for compositions having Tcomp close to TC. When TC−Tcomp(approximately-greater-than)70 °C, optimal carrier-to-noise ratios are obtained. These results are explained qualitatively by the behavior of domain-wall motion in the vicinity of the magnetically reversed domain.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 63 (1988), S. 1424-1427 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Ultrafine ZnFe2O4 particles less than 10 nm in diameter formed by the coprecipitation method were observed using transmission electron microscopy. The chemical composition of these particles was consistent with that of the stoichiometric bulk material. The apparent lattice structure could be observed. These observations revealed that particles 5 nm in diameter were fine, defect-free, and cubic single crystals having a spinel structure. The particle surface became more and more circular with decreasing particle size. Even a particle as small as 2 nm was seen to be homogeneous and possess a spinel structure. To determine the particle size it was necessary to disperse particles by covering their surfaces with a double-adsorbed surfactant film. The particle size distribution was seen to be approximately log normal.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 44 (1988), S. 691-693 
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 44 (1988), S. 870-872 
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
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