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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Mathematische Annalen 240 (1979), S. 69-96 
    ISSN: 1432-1807
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 128 (1978), S. 247-259 
    ISSN: 1432-1076
    Keywords: Umbilical artery ; Birth ; Neonatal ; Blood vessel ; Structure ; Closure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The structure of the fully-patent umbilical artery and rearrangement of its structural elements with postnatal closure were examined in 10 centimeter long umbilical cord segments which were double-clamped at different time intervals after delivery. The fully-patent umbilical artery consists of two main layers: an outer layer of circularly arranged smooth muscle cells and an inner layer which shows rather irregularly and loosely arranged cells embedded in abundant metachromatic ground substance. No predominantly longitudinal arrangements of cells and fibers reported by earlier investigators could be identified in the inner layer. Closure of the umbilical arteries is initiated by numerous localized contractions which are mainly formed by muscle cells of the outer circular layer. Ultimate closure of larger segments of the umbilical arteries is also mainly produced by contractions of the outer layer. In contrast, the inner layer (which is rich in ground substance) seems to serve mainly as a plastic tissue which can easily be shifted in an axial direction and then folded into the narrowing lumen to complete closure. Electron microscopy reveals that the cells of this layer represent rather poorly differentiated smooth muscle cells which contain only a few tiny myofilaments and can therefore hardly contribute actively to the process of closure.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Anatomia, histologia, embryologia 7 (1978), S. 0 
    ISSN: 1439-0264
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Anatomia, histologia, embryologia 5 (1976), S. 0 
    ISSN: 1439-0264
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Mit Hilfe enzymhistochemischer Methoden konnte festgestellt werden, daß die wichtigsten Anteile der spokrinen Hautdrüsen des Hausschweiness deutliche Aktivitäten verschiedener oxydativer Enzyme besitzen
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 34 (1978), S. 2350-2351 
    ISSN: 1600-5740
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Colloid & polymer science 256 (1978), S. 712-712 
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Virchows Archiv 374 (1977), S. 27-44 
    ISSN: 1432-2307
    Keywords: Coronary artery aneurysms ; Mucocutaneous lymph node syndrome ; Kawasaki's disease ; Infantile polyarteritis nodosa
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary In recent years large numbers of the so-called “mucocutaneous lymph node syndrome” or “Kawasaki's disease” have been described by Japanese workers, but instances of this disorder are only now being reported as isolated cases by European or North American physicians. The disease has, therefore, been considered to be a new entity. One of its most striking features is the development of aneurysms of the coronary arteries in infants or children, which may lead to sudden death. Aneurysms of the coronary arteries in childhood are rare, and hence it was considered relevant to report six such cases, and to examine their possible relationship to Kawasaki's disease. The pathological changes underlying the latter disorder are not well known; they are considered to be indistinguishable from infantile polyarteritis nodosa. A diagnosis of polyarteritis nodosa was also thought to be most likely to apply in the cases presented here, particularly in view of the frequency with which aneurysms of the coronary arteries have been found in this disorder. In the absence of valid pathological distinctions between Kawasaki's disease and infantile polyarteritis nodosa, the question arises whether these entities are, in fact, different, and whether Kawasaki's disease is the new entity it is assumed to be.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 340 (1975), S. 107-115 
    ISSN: 1435-2451
    Keywords: Pancreatic exocrine function ; Islet function ; Transplantation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung In unserer Versuchsanordnung haben wir ein Modell einer in traabdominellen heterotopen Pankreas-Duodenum-Autotransplantation geschaffen. Zwei Hunde überlebten für lange Zeit in befriedigendem Zustand. Zu Anfang, unmit telbar nach Pankreas-Autotransplantation, konnte ein Gewichtsverlust infolge exokriner Pankreasunterfunktion beobachtet werden. 3 Monate später hatten die Tiere wieder ihr Ausgangsgewicht. Im Gegensatz zur exokrinen Funktion konnte die endokrine über den gesamten Beobachtungszeitraum, mit Ausnahme weniger Tage unmittelbar nach der Transplantation, erhalten werden. Im Gegensatz zu Kontrolltieren zeigte sich beim Tolbutamid-Test eine signifikante Verlängerung der Hypoglykämie. Der Glucosetoleranz Test verlief normal. Eine Fibrosierung nach Pankreas-Autotransplantation konnte nicht beobachtet werden. Dieses experimentelle Modell ist sehr hilfreich für die Langzeit Beobachtung einer heterotopen Pankreas-Autotransplantation. Denervierung und Unterbrechung der lymphatischen Bahnen scheinen zwar einen vorübergehenden, jedoch keinen dauerhaften Einfluß auf die endokrine oder exokrine Pankreasfunktion zu haben.
    Notes: Summary We have described a technique of one stage intraabdominal heterotopic pancreaticduodenal autotransplantation which has resulted in long term survival of dogs in good health. Malnutrition related to pancreatic exocrine hypofunction occurs initially but gradual recovery by 3 months nutrition is normal. In contrast, endocrine function is well preserved throughout the postoperative period except for a few days immediately after transplantation. Tolbutamide testing showed a significant prolongation of hypoglycemia as compared to controls although glucose tolerance curves were normal. There was no fibrosis after pancreas- autotransplantation. This experimental model is useful for long term evaluation of heterotopic transplantation of the pancreas. Denervation and lymphatic interruption of the pancreas may cause a transient but not definitive influence on pancreatic endocrine or exocrine function.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 33 (1977), S. 319-321 
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary During the hatching period, the Rohon-Beard cells of Salmo gairdneri showed definite structural maturity of their perikarya, which is in contrast to the amphibian species investigated, where neuronal maturation of the Rohon-Beard cells is finished only in later — posthatching — developmental stages.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Histochemistry and cell biology 59 (1979), S. 177-187 
    ISSN: 1432-119X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The central nervous systems of web-building spiders (Araneidae, Agelenidae) and hunting spiders (Lycosidase, Salticidae) were tested for non-specific and specific phosphatases. Acid phosphatase exhibited weakly to moderately positive reactions in the neuronal cell bodies and in the neuropile fibre mass of all species investigated. Alkaline phosphatase could only be demonstrated in the external and internal neural lamellae of the brain and ventral cord of several specimens of the araneid species investigated. Tests for thiamine pyrophosphatase were negative with both the lead and calciumcobalt methods. Distinctive positive reactions for adenosine triphosphatase were visible in the nervous system of all the species used, being especially strong in the optic ganglia of the hunting spiders. The demonstration of adenosine triphosphatase was only possible when applying the calcium-cobalt method after Padykula and Herman, while the lead method after Wachstein and Meisel did not produce any staining reaction at all. Controls of the histochemical reaction showed that the enzyme was activated by Ca2+ and inhibited by sulphydryl destroying reagents (e.g. PCMB), but was insensitive to ouabain. It could be probably classified as a mitochondrial proton-translocating adenosine triphosphatase.
    Type of Medium: Electronic Resource
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