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  • 1995-1999  (3)
  • 1980-1984
  • 1935-1939
  • 1830-1839
  • 1997  (3)
  • Ankle joint  (2)
  • Analytical Chemistry and Spectroscopy
Material
Years
  • 1995-1999  (3)
  • 1980-1984
  • 1935-1939
  • 1830-1839
Year
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 19 (1997), S. 231-235 
    ISSN: 1279-8517
    Keywords: Tibia ; Fibula ; Talus ; Ankle joint ; Blood supply of bone
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The operative exposure of a fracture causes disturbances in the blood supply, which may lead to a prolonged healing process or even to bone necrosis, especially when using the complex and complicated methods of osteosynthesis at the ankle. In order to damage the supplying vessels as little as possible, position, direction and penetration of the bone arteries of the talocrural joint were examined by corrosion preparation. The tibial nutrient artery arises from the posterior tibial artery or from the popliteal artery and penetrates constantly from posterior at the level of the proximal third. The fibular nutrient artery, coming from the peroneal artery, penetrates more distaly from medial into the middle third of the diaphysis. In one specimen it did not exist at all. Distal tibia and fibula are supplied by the perimalleolar arterial ring, which is connected with the three arteries of the leg. The talus is supplied by numerous very small vessels, which are provided with extraosseous anastomoses and penetrate the whole non-articular surface. Implications for the operation will be explained.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 19 (1997), S. 231-235 
    ISSN: 1279-8517
    Keywords: Tibia ; Fibula ; Talus ; Ankle joint ; Blood supply of bone
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé L'abord chirurgical d'une fracture crée des perturbations vasculaires qui peuvent provoquer un allongement du temps de consolidation ou une nécrose osseuse, en particulier avec les méthodes complexes et compliquées d'ostéosynthèses utilisées à la cheville. Pour limiter autant que faire se peut les lésions des vaisseaux nourriciers, la position, la direction et le point de pénétration des artères osseuses destinées à l'articulation talo-crurale ont été étudiés sur des injections-corrosions. L'artère nourricière du tibia naît de l'a. tibiale postérieure ou de l'a. poplitée et pénètre toujours la face postérieure du tiers proximal du tibia. L'artère nourricière de la fibula naît de l'a. fibulaire et pénètre la face médiale du tiers moyen de la diaphyse, un peu plus distalement; sur un spécimen, elle manquait complètement. Les parties distales du tibia et de la fibula sont vascularisées par le cercle artériel péri-malléolaire, qui est anastomosé avec les trois artères de la jambe. Le talus est vascularisé par de nombreux petits vaisseaux, reliés entre eux par des anastomoses extra-osseuses, qui pénètrent par toutes les surfaces non articulaires. Les implications pour le traitement opératoire des fractures sont exposées.
    Notes: Summary The operative exposure of a fracture causes disturbances in the blood supply, which may lead to a prolonged healing process or even to bone necrosis, especially when using the complex and complicated methods of osteosynthesis at the ankle. In order to damage the supplying vessels as little as possible, position, direction and penetration of the bone arteries of the talocrural joint were examined by corrosion preparation. The tibial nutrient artery arises from the posterior tibial artery or from the popliteal artery and penetrates constantly from posterior at the level of the proximal third. The fibular nutrient artery, coming from the peroneal artery, penetrates more distaly from medial into the middle third of the diaphysis. In one specimen it did not exist at all. Distal tibia and fibula are supplied by the perimalleolar arterial ring, which is connected with the three arteries of the leg. The talus is supplied by numerous very small vessels, which are provided with extraosseous anastomoses and penetrate the whole non-articular surface. Implications for the operation will be explained.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 3
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Biospectroscopy 3 (1997), S. 393-401 
    ISSN: 1075-4261
    Keywords: hydrophobic/hydrophilic bile acids ; hydrophobicity index ; hydrogen-bonding ; intermolecular forces ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Physics
    Notes: The analysis of some bile acids [lithocholic acid (LC), cholic acid (C), chenodeoxycholic acid (CDC), hyodeoxycholic acid (HDC), ursodeoxycholic acid (UDC), β-muricholic acid (β-MC)] by Raman and infrared spectroscopy reveals that hydrophobic bile acids (LC, CDC, C) have their 3α OH bonded by strong intermolecular interactions. Furthermore, the most hydrophobic bile acid (LC), which is practically insoluble in water at room temperature, may be directly related to a polymeric association of its molecules. The hydrophilic bile acids (HDC, UDC, β-MC) possess some free OH bonds. Generally, however, the carboxylic group is implied in a dimeric association. Infrared spectra of diluted bile acids in chloroform give further confirmation because intermolecular bonded line vanishes for the hydrophilic bile acids and remains for hydrophobic ones. Thus, Raman and infrared spectroscopy provide new tools for establishing a rational hydrophobicity/hydrophilicity scale of bile acids. © 1997 John Wiley & Sons, Inc. Biospectroscopy 3: 393-401, 1997
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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